64954988

素因数分解:

$2^2\times 7^2\times {\mathrm{41}}^1\times {\mathrm{59}}^1\times {\mathrm{137}}^1$

素因数の和:255

約数の個数: 72

約数和(自身を含む): 138756240

約数和(自身を除く): 73801252

約数列:

[1, 2, 4, 7, 14, 28, 41, 49, 59, 82, 98, 118, 137, 164, 196, 236, 274, 287, 413, 548, 574, 826, 959, 1148, 1652, 1918, 2009, 2419, 2891, 3836, 4018, 4838, 5617, 5782, 6713, 8036, 8083, 9676, 11234, 11564, 13426, 16166, 16933, 22468, 26852, 32332, 33866, 39319, 56581, 67732, 78638, 113162, 118531, 157276, 226324, 237062, 275233, 331403, 396067, 474124, 550466, 662806, 792134, 1100932, 1325612, 1584268, 2319821, 4639642, 9279284, 16238747, 32477494, 64954988]

約数ペア:

[(1, 64954988), (2, 32477494), (4, 16238747), (7, 9279284), (14, 4639642), (28, 2319821), (41, 1584268), (49, 1325612), (59, 1100932), (82, 792134), (98, 662806), (118, 550466), (137, 474124), (164, 396067), (196, 331403), (236, 275233), (274, 237062), (287, 226324), (413, 157276), (548, 118531), (574, 113162), (826, 78638), (959, 67732), (1148, 56581), (1652, 39319), (1918, 33866), (2009, 32332), (2419, 26852), (2891, 22468), (3836, 16933), (4018, 16166), (4838, 13426), (5617, 11564), (5782, 11234), (6713, 9676), (8036, 8083)]