164038868

素因数分解:

$2^2\times 7^2\times {\mathrm{41}}^1\times {\mathrm{137}}^1\times {\mathrm{149}}^1$

素因数の和:345

約数の個数: 72

約数和(自身を含む): 346890600

約数和(自身を除く): 182851732

約数列:

[1, 2, 4, 7, 14, 28, 41, 49, 82, 98, 137, 149, 164, 196, 274, 287, 298, 548, 574, 596, 959, 1043, 1148, 1918, 2009, 2086, 3836, 4018, 4172, 5617, 6109, 6713, 7301, 8036, 11234, 12218, 13426, 14602, 20413, 22468, 24436, 26852, 29204, 39319, 40826, 42763, 78638, 81652, 85526, 142891, 157276, 171052, 275233, 285782, 299341, 550466, 571564, 598682, 836933, 1000237, 1100932, 1197364, 1673866, 2000474, 3347732, 4000948, 5858531, 11717062, 23434124, 41009717, 82019434, 164038868]

約数ペア:

[(1, 164038868), (2, 82019434), (4, 41009717), (7, 23434124), (14, 11717062), (28, 5858531), (41, 4000948), (49, 3347732), (82, 2000474), (98, 1673866), (137, 1197364), (149, 1100932), (164, 1000237), (196, 836933), (274, 598682), (287, 571564), (298, 550466), (548, 299341), (574, 285782), (596, 275233), (959, 171052), (1043, 157276), (1148, 142891), (1918, 85526), (2009, 81652), (2086, 78638), (3836, 42763), (4018, 40826), (4172, 39319), (5617, 29204), (6109, 26852), (6713, 24436), (7301, 22468), (8036, 20413), (11234, 14602), (12218, 13426)]