221620284

素因数分解:

$2^2\times 3^2\times {\mathrm{59}}^1\times {\mathrm{151}}^1\times {\mathrm{691}}^1$

素因数の和:911

約数の個数: 72

約数和(自身を含む): 574304640

約数和(自身を除く): 352684356

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 59, 118, 151, 177, 236, 302, 354, 453, 531, 604, 691, 708, 906, 1062, 1359, 1382, 1812, 2073, 2124, 2718, 2764, 4146, 5436, 6219, 8292, 8909, 12438, 17818, 24876, 26727, 35636, 40769, 53454, 80181, 81538, 104341, 106908, 122307, 160362, 163076, 208682, 244614, 313023, 320724, 366921, 417364, 489228, 626046, 733842, 939069, 1252092, 1467684, 1878138, 3756276, 6156119, 12312238, 18468357, 24624476, 36936714, 55405071, 73873428, 110810142, 221620284]

約数ペア:

[(1, 221620284), (2, 110810142), (3, 73873428), (4, 55405071), (6, 36936714), (9, 24624476), (12, 18468357), (18, 12312238), (36, 6156119), (59, 3756276), (118, 1878138), (151, 1467684), (177, 1252092), (236, 939069), (302, 733842), (354, 626046), (453, 489228), (531, 417364), (604, 366921), (691, 320724), (708, 313023), (906, 244614), (1062, 208682), (1359, 163076), (1382, 160362), (1812, 122307), (2073, 106908), (2124, 104341), (2718, 81538), (2764, 80181), (4146, 53454), (5436, 40769), (6219, 35636), (8292, 26727), (8909, 24876), (12438, 17818)]