64940876

素因数分解:

$2^2\times 7^3\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{331}}^1$

素因数の和:380

約数の個数: 96

約数和(自身を含む): 156172800

約数和(自身を除く): 91231924

約数列:

[1, 2, 4, 7, 11, 13, 14, 22, 26, 28, 44, 49, 52, 77, 91, 98, 143, 154, 182, 196, 286, 308, 331, 343, 364, 539, 572, 637, 662, 686, 1001, 1078, 1274, 1324, 1372, 2002, 2156, 2317, 2548, 3641, 3773, 4004, 4303, 4459, 4634, 7007, 7282, 7546, 8606, 8918, 9268, 14014, 14564, 15092, 16219, 17212, 17836, 25487, 28028, 30121, 32438, 47333, 49049, 50974, 60242, 64876, 94666, 98098, 101948, 113533, 120484, 178409, 189332, 196196, 210847, 227066, 331331, 356818, 421694, 454132, 662662, 713636, 843388, 1248863, 1325324, 1475929, 2319317, 2497726, 2951858, 4638634, 4995452, 5903716, 9277268, 16235219, 32470438, 64940876]

約数ペア:

[(1, 64940876), (2, 32470438), (4, 16235219), (7, 9277268), (11, 5903716), (13, 4995452), (14, 4638634), (22, 2951858), (26, 2497726), (28, 2319317), (44, 1475929), (49, 1325324), (52, 1248863), (77, 843388), (91, 713636), (98, 662662), (143, 454132), (154, 421694), (182, 356818), (196, 331331), (286, 227066), (308, 210847), (331, 196196), (343, 189332), (364, 178409), (539, 120484), (572, 113533), (637, 101948), (662, 98098), (686, 94666), (1001, 64876), (1078, 60242), (1274, 50974), (1324, 49049), (1372, 47333), (2002, 32438), (2156, 30121), (2317, 28028), (2548, 25487), (3641, 17836), (3773, 17212), (4004, 16219), (4303, 15092), (4459, 14564), (4634, 14014), (7007, 9268), (7282, 8918), (7546, 8606)]