9721010

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{43}}^1\times {\mathrm{47}}^1$

素因数の和:147

約数の個数: 64

約数和(自身を含む): 20224512

約数和(自身を除く): 10503502

約数列:

[1, 2, 5, 10, 13, 26, 37, 43, 47, 65, 74, 86, 94, 130, 185, 215, 235, 370, 430, 470, 481, 559, 611, 962, 1118, 1222, 1591, 1739, 2021, 2405, 2795, 3055, 3182, 3478, 4042, 4810, 5590, 6110, 7955, 8695, 10105, 15910, 17390, 20210, 20683, 22607, 26273, 41366, 45214, 52546, 74777, 103415, 113035, 131365, 149554, 206830, 226070, 262730, 373885, 747770, 972101, 1944202, 4860505, 9721010]

約数ペア:

[(1, 9721010), (2, 4860505), (5, 1944202), (10, 972101), (13, 747770), (26, 373885), (37, 262730), (43, 226070), (47, 206830), (65, 149554), (74, 131365), (86, 113035), (94, 103415), (130, 74777), (185, 52546), (215, 45214), (235, 41366), (370, 26273), (430, 22607), (470, 20683), (481, 20210), (559, 17390), (611, 15910), (962, 10105), (1118, 8695), (1222, 7955), (1591, 6110), (1739, 5590), (2021, 4810), (2405, 4042), (2795, 3478), (3055, 3182)]