1997215616

素因数分解:

$2^7\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{41}}^1\times {\mathrm{1193}}^1$

素因数の和:1288

約数の個数: 128

約数和(自身を含む): 4603586400

約数和(自身を除く): 2606370784

約数列:

[1, 2, 4, 8, 11, 16, 22, 29, 32, 41, 44, 58, 64, 82, 88, 116, 128, 164, 176, 232, 319, 328, 352, 451, 464, 638, 656, 704, 902, 928, 1189, 1193, 1276, 1312, 1408, 1804, 1856, 2378, 2386, 2552, 2624, 3608, 3712, 4756, 4772, 5104, 5248, 7216, 9512, 9544, 10208, 13079, 13123, 14432, 19024, 19088, 20416, 26158, 26246, 28864, 34597, 38048, 38176, 40832, 48913, 52316, 52492, 57728, 69194, 76096, 76352, 97826, 104632, 104984, 138388, 152192, 152704, 195652, 209264, 209968, 276776, 380567, 391304, 418528, 419936, 538043, 553552, 761134, 782608, 837056, 839872, 1076086, 1107104, 1418477, 1522268, 1565216, 1674112, 1679744, 2152172, 2214208, 2836954, 3044536, 3130432, 4304344, 4428416, 5673908, 6089072, 6260864, 8608688, 11347816, 12178144, 15603247, 17217376, 22695632, 24356288, 31206494, 34434752, 45391264, 48712576, 62412988, 68869504, 90782528, 124825976, 181565056, 249651952, 499303904, 998607808, 1997215616]

約数ペア:

[(1, 1997215616), (2, 998607808), (4, 499303904), (8, 249651952), (11, 181565056), (16, 124825976), (22, 90782528), (29, 68869504), (32, 62412988), (41, 48712576), (44, 45391264), (58, 34434752), (64, 31206494), (82, 24356288), (88, 22695632), (116, 17217376), (128, 15603247), (164, 12178144), (176, 11347816), (232, 8608688), (319, 6260864), (328, 6089072), (352, 5673908), (451, 4428416), (464, 4304344), (638, 3130432), (656, 3044536), (704, 2836954), (902, 2214208), (928, 2152172), (1189, 1679744), (1193, 1674112), (1276, 1565216), (1312, 1522268), (1408, 1418477), (1804, 1107104), (1856, 1076086), (2378, 839872), (2386, 837056), (2552, 782608), (2624, 761134), (3608, 553552), (3712, 538043), (4756, 419936), (4772, 418528), (5104, 391304), (5248, 380567), (7216, 276776), (9512, 209968), (9544, 209264), (10208, 195652), (13079, 152704), (13123, 152192), (14432, 138388), (19024, 104984), (19088, 104632), (20416, 97826), (26158, 76352), (26246, 76096), (28864, 69194), (34597, 57728), (38048, 52492), (38176, 52316), (40832, 48913)]