220452801

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{101}}^1\times {\mathrm{149}}^1\times {\mathrm{257}}^1$

素因数の和:529

約数の個数: 32

約数和(自身を含む): 315792000

約数和(自身を除く): 95339199

約数列:

[1, 3, 19, 57, 101, 149, 257, 303, 447, 771, 1919, 2831, 4883, 5757, 8493, 14649, 15049, 25957, 38293, 45147, 77871, 114879, 285931, 493183, 727567, 857793, 1479549, 2182701, 3867593, 11602779, 73484267, 220452801]

約数ペア:

[(1, 220452801), (3, 73484267), (19, 11602779), (57, 3867593), (101, 2182701), (149, 1479549), (257, 857793), (303, 727567), (447, 493183), (771, 285931), (1919, 114879), (2831, 77871), (4883, 45147), (5757, 38293), (8493, 25957), (14649, 15049)]