217338588

素因数分解:

$2^2\times 3^2\times {\mathrm{97}}^1\times {\mathrm{109}}^1\times {\mathrm{571}}^1$

素因数の和:787

約数の個数: 72

約数和(自身を含む): 561120560

約数和(自身を除く): 343781972

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 97, 109, 194, 218, 291, 327, 388, 436, 571, 582, 654, 873, 981, 1142, 1164, 1308, 1713, 1746, 1962, 2284, 3426, 3492, 3924, 5139, 6852, 10278, 10573, 20556, 21146, 31719, 42292, 55387, 62239, 63438, 95157, 110774, 124478, 126876, 166161, 186717, 190314, 221548, 248956, 332322, 373434, 380628, 498483, 560151, 664644, 746868, 996966, 1120302, 1993932, 2240604, 6037183, 12074366, 18111549, 24148732, 36223098, 54334647, 72446196, 108669294, 217338588]

約数ペア:

[(1, 217338588), (2, 108669294), (3, 72446196), (4, 54334647), (6, 36223098), (9, 24148732), (12, 18111549), (18, 12074366), (36, 6037183), (97, 2240604), (109, 1993932), (194, 1120302), (218, 996966), (291, 746868), (327, 664644), (388, 560151), (436, 498483), (571, 380628), (582, 373434), (654, 332322), (873, 248956), (981, 221548), (1142, 190314), (1164, 186717), (1308, 166161), (1713, 126876), (1746, 124478), (1962, 110774), (2284, 95157), (3426, 63438), (3492, 62239), (3924, 55387), (5139, 42292), (6852, 31719), (10278, 21146), (10573, 20556)]