646704234

素因数分解:

$2^1\times 3^2\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{41}}^2\times {\mathrm{67}}^1$

素因数の和:197

約数の個数: 144

約数和(自身を含む): 1644982560

約数和(自身を除く): 998278326

約数列:

[1, 2, 3, 6, 9, 11, 18, 22, 29, 33, 41, 58, 66, 67, 82, 87, 99, 123, 134, 174, 198, 201, 246, 261, 319, 369, 402, 451, 522, 603, 638, 737, 738, 902, 957, 1189, 1206, 1353, 1474, 1681, 1914, 1943, 2211, 2378, 2706, 2747, 2871, 3362, 3567, 3886, 4059, 4422, 5043, 5494, 5742, 5829, 6633, 7134, 8118, 8241, 10086, 10701, 11658, 13079, 13266, 15129, 16482, 17487, 18491, 21373, 21402, 24723, 26158, 30217, 30258, 34974, 36982, 39237, 42746, 48749, 49446, 55473, 60434, 64119, 78474, 79663, 90651, 97498, 110946, 112627, 117711, 128238, 146247, 159326, 166419, 181302, 192357, 225254, 235422, 238989, 271953, 292494, 332838, 337881, 384714, 438741, 477978, 536239, 543906, 675762, 716967, 876293, 877482, 1013643, 1072478, 1238897, 1433934, 1608717, 1752586, 2027286, 2477794, 2628879, 3217434, 3266183, 3716691, 4826151, 5257758, 6532366, 7433382, 7886637, 9652302, 9798549, 11150073, 15773274, 19597098, 22300146, 29395647, 35928013, 58791294, 71856026, 107784039, 215568078, 323352117, 646704234]

約数ペア:

[(1, 646704234), (2, 323352117), (3, 215568078), (6, 107784039), (9, 71856026), (11, 58791294), (18, 35928013), (22, 29395647), (29, 22300146), (33, 19597098), (41, 15773274), (58, 11150073), (66, 9798549), (67, 9652302), (82, 7886637), (87, 7433382), (99, 6532366), (123, 5257758), (134, 4826151), (174, 3716691), (198, 3266183), (201, 3217434), (246, 2628879), (261, 2477794), (319, 2027286), (369, 1752586), (402, 1608717), (451, 1433934), (522, 1238897), (603, 1072478), (638, 1013643), (737, 877482), (738, 876293), (902, 716967), (957, 675762), (1189, 543906), (1206, 536239), (1353, 477978), (1474, 438741), (1681, 384714), (1914, 337881), (1943, 332838), (2211, 292494), (2378, 271953), (2706, 238989), (2747, 235422), (2871, 225254), (3362, 192357), (3567, 181302), (3886, 166419), (4059, 159326), (4422, 146247), (5043, 128238), (5494, 117711), (5742, 112627), (5829, 110946), (6633, 97498), (7134, 90651), (8118, 79663), (8241, 78474), (10086, 64119), (10701, 60434), (11658, 55473), (13079, 49446), (13266, 48749), (15129, 42746), (16482, 39237), (17487, 36982), (18491, 34974), (21373, 30258), (21402, 30217), (24723, 26158)]