81725930

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{853}}^1$

素因数の和:951

約数の個数: 64

約数和(自身を含む): 175609728

約数和(自身を除く): 93883798

約数列:

[1, 2, 5, 10, 11, 13, 22, 26, 55, 65, 67, 110, 130, 134, 143, 286, 335, 670, 715, 737, 853, 871, 1430, 1474, 1706, 1742, 3685, 4265, 4355, 7370, 8530, 8710, 9383, 9581, 11089, 18766, 19162, 22178, 46915, 47905, 55445, 57151, 93830, 95810, 110890, 114302, 121979, 243958, 285755, 571510, 609895, 628661, 742963, 1219790, 1257322, 1485926, 3143305, 3714815, 6286610, 7429630, 8172593, 16345186, 40862965, 81725930]

約数ペア:

[(1, 81725930), (2, 40862965), (5, 16345186), (10, 8172593), (11, 7429630), (13, 6286610), (22, 3714815), (26, 3143305), (55, 1485926), (65, 1257322), (67, 1219790), (110, 742963), (130, 628661), (134, 609895), (143, 571510), (286, 285755), (335, 243958), (670, 121979), (715, 114302), (737, 110890), (853, 95810), (871, 93830), (1430, 57151), (1474, 55445), (1706, 47905), (1742, 46915), (3685, 22178), (4265, 19162), (4355, 18766), (7370, 11089), (8530, 9581), (8710, 9383)]