40523378

素因数分解:

$2^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{317}}^1\times {\mathrm{397}}^1$

素因数の和:746

約数の個数: 32

約数和(自身を含む): 72900864

約数和(自身を除く): 32377486

約数列:

[1, 2, 7, 14, 23, 46, 161, 317, 322, 397, 634, 794, 2219, 2779, 4438, 5558, 7291, 9131, 14582, 18262, 51037, 63917, 102074, 125849, 127834, 251698, 880943, 1761886, 2894527, 5789054, 20261689, 40523378]

約数ペア:

[(1, 40523378), (2, 20261689), (7, 5789054), (14, 2894527), (23, 1761886), (46, 880943), (161, 251698), (317, 127834), (322, 125849), (397, 102074), (634, 63917), (794, 51037), (2219, 18262), (2779, 14582), (4438, 9131), (5558, 7291)]