31604804

素因数分解:

$2^2\times 7^2\times {\mathrm{11}}^1\times {\mathrm{107}}^1\times {\mathrm{137}}^1$

素因数の和:273

約数の個数: 72

約数和(自身を含む): 71360352

約数和(自身を除く): 39755548

約数列:

[1, 2, 4, 7, 11, 14, 22, 28, 44, 49, 77, 98, 107, 137, 154, 196, 214, 274, 308, 428, 539, 548, 749, 959, 1078, 1177, 1498, 1507, 1918, 2156, 2354, 2996, 3014, 3836, 4708, 5243, 6028, 6713, 8239, 10486, 10549, 13426, 14659, 16478, 20972, 21098, 26852, 29318, 32956, 42196, 57673, 58636, 73843, 102613, 115346, 147686, 161249, 205226, 230692, 295372, 322498, 410452, 644996, 718291, 1128743, 1436582, 2257486, 2873164, 4514972, 7901201, 15802402, 31604804]

約数ペア:

[(1, 31604804), (2, 15802402), (4, 7901201), (7, 4514972), (11, 2873164), (14, 2257486), (22, 1436582), (28, 1128743), (44, 718291), (49, 644996), (77, 410452), (98, 322498), (107, 295372), (137, 230692), (154, 205226), (196, 161249), (214, 147686), (274, 115346), (308, 102613), (428, 73843), (539, 58636), (548, 57673), (749, 42196), (959, 32956), (1078, 29318), (1177, 26852), (1498, 21098), (1507, 20972), (1918, 16478), (2156, 14659), (2354, 13426), (2996, 10549), (3014, 10486), (3836, 8239), (4708, 6713), (5243, 6028)]