81758772

素因数分解:

$2^2\times 3^2\times {\mathrm{29}}^1\times {\mathrm{71}}^1\times {\mathrm{1103}}^1$

素因数の和:1213

約数の個数: 72

約数和(自身を含む): 217002240

約数和(自身を除く): 135243468

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 29, 36, 58, 71, 87, 116, 142, 174, 213, 261, 284, 348, 426, 522, 639, 852, 1044, 1103, 1278, 2059, 2206, 2556, 3309, 4118, 4412, 6177, 6618, 8236, 9927, 12354, 13236, 18531, 19854, 24708, 31987, 37062, 39708, 63974, 74124, 78313, 95961, 127948, 156626, 191922, 234939, 287883, 313252, 383844, 469878, 575766, 704817, 939756, 1151532, 1409634, 2271077, 2819268, 4542154, 6813231, 9084308, 13626462, 20439693, 27252924, 40879386, 81758772]

約数ペア:

[(1, 81758772), (2, 40879386), (3, 27252924), (4, 20439693), (6, 13626462), (9, 9084308), (12, 6813231), (18, 4542154), (29, 2819268), (36, 2271077), (58, 1409634), (71, 1151532), (87, 939756), (116, 704817), (142, 575766), (174, 469878), (213, 383844), (261, 313252), (284, 287883), (348, 234939), (426, 191922), (522, 156626), (639, 127948), (852, 95961), (1044, 78313), (1103, 74124), (1278, 63974), (2059, 39708), (2206, 37062), (2556, 31987), (3309, 24708), (4118, 19854), (4412, 18531), (6177, 13236), (6618, 12354), (8236, 9927)]