71221332

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{13}}^2\times {\mathrm{29}}^1\times {\mathrm{173}}^1$

素因数の和:242

約数の個数: 144

約数和(自身を含む): 213978240

約数和(自身を除く): 142756908

約数列:

[1, 2, 3, 4, 6, 7, 12, 13, 14, 21, 26, 28, 29, 39, 42, 52, 58, 78, 84, 87, 91, 116, 156, 169, 173, 174, 182, 203, 273, 338, 346, 348, 364, 377, 406, 507, 519, 546, 609, 676, 692, 754, 812, 1014, 1038, 1092, 1131, 1183, 1211, 1218, 1508, 2028, 2076, 2249, 2262, 2366, 2422, 2436, 2639, 3549, 3633, 4498, 4524, 4732, 4844, 4901, 5017, 5278, 6747, 7098, 7266, 7917, 8996, 9802, 10034, 10556, 13494, 14196, 14532, 14703, 15051, 15743, 15834, 19604, 20068, 26988, 29237, 29406, 30102, 31486, 31668, 34307, 35119, 47229, 58474, 58812, 60204, 62972, 65221, 68614, 70238, 87711, 94458, 102921, 105357, 116948, 130442, 137228, 140476, 175422, 188916, 195663, 204659, 205842, 210714, 260884, 350844, 391326, 409318, 411684, 421428, 456547, 613977, 782652, 818636, 847873, 913094, 1227954, 1369641, 1695746, 1826188, 2455908, 2543619, 2739282, 3391492, 5087238, 5478564, 5935111, 10174476, 11870222, 17805333, 23740444, 35610666, 71221332]

約数ペア:

[(1, 71221332), (2, 35610666), (3, 23740444), (4, 17805333), (6, 11870222), (7, 10174476), (12, 5935111), (13, 5478564), (14, 5087238), (21, 3391492), (26, 2739282), (28, 2543619), (29, 2455908), (39, 1826188), (42, 1695746), (52, 1369641), (58, 1227954), (78, 913094), (84, 847873), (87, 818636), (91, 782652), (116, 613977), (156, 456547), (169, 421428), (173, 411684), (174, 409318), (182, 391326), (203, 350844), (273, 260884), (338, 210714), (346, 205842), (348, 204659), (364, 195663), (377, 188916), (406, 175422), (507, 140476), (519, 137228), (546, 130442), (609, 116948), (676, 105357), (692, 102921), (754, 94458), (812, 87711), (1014, 70238), (1038, 68614), (1092, 65221), (1131, 62972), (1183, 60204), (1211, 58812), (1218, 58474), (1508, 47229), (2028, 35119), (2076, 34307), (2249, 31668), (2262, 31486), (2366, 30102), (2422, 29406), (2436, 29237), (2639, 26988), (3549, 20068), (3633, 19604), (4498, 15834), (4524, 15743), (4732, 15051), (4844, 14703), (4901, 14532), (5017, 14196), (5278, 13494), (6747, 10556), (7098, 10034), (7266, 9802), (7917, 8996)]