155221418

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{53}}^1\times {\mathrm{239}}^1\times {\mathrm{557}}^1$

素因数の和:862

約数の個数: 32

約数和(自身を含む): 260340480

約数和(自身を除く): 105119062

約数列:

[1, 2, 11, 22, 53, 106, 239, 478, 557, 583, 1114, 1166, 2629, 5258, 6127, 12254, 12667, 25334, 29521, 59042, 133123, 139337, 266246, 278674, 324731, 649462, 1464353, 2928706, 7055519, 14111038, 77610709, 155221418]

約数ペア:

[(1, 155221418), (2, 77610709), (11, 14111038), (22, 7055519), (53, 2928706), (106, 1464353), (239, 649462), (478, 324731), (557, 278674), (583, 266246), (1114, 139337), (1166, 133123), (2629, 59042), (5258, 29521), (6127, 25334), (12254, 12667)]