30539978

素因数分解:

$2^1\times 7^1\times {\mathrm{53}}^1\times {\mathrm{79}}^1\times {\mathrm{521}}^1$

素因数の和:662

約数の個数: 32

約数和(自身を含む): 54120960

約数和(自身を除く): 23580982

約数列:

[1, 2, 7, 14, 53, 79, 106, 158, 371, 521, 553, 742, 1042, 1106, 3647, 4187, 7294, 8374, 27613, 29309, 41159, 55226, 58618, 82318, 193291, 288113, 386582, 576226, 2181427, 4362854, 15269989, 30539978]

約数ペア:

[(1, 30539978), (2, 15269989), (7, 4362854), (14, 2181427), (53, 576226), (79, 386582), (106, 288113), (158, 193291), (371, 82318), (521, 58618), (553, 55226), (742, 41159), (1042, 29309), (1106, 27613), (3647, 8374), (4187, 7294)]