156980356

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{59}}^1\times {\mathrm{2693}}^1$

素因数の和:2788

約数の個数: 48

約数和(自身を含む): 316814400

約数和(自身を除く): 159834044

約数列:

[1, 2, 4, 13, 19, 26, 38, 52, 59, 76, 118, 236, 247, 494, 767, 988, 1121, 1534, 2242, 2693, 3068, 4484, 5386, 10772, 14573, 29146, 35009, 51167, 58292, 70018, 102334, 140036, 158887, 204668, 317774, 635548, 665171, 1330342, 2065531, 2660684, 3018853, 4131062, 6037706, 8262124, 12075412, 39245089, 78490178, 156980356]

約数ペア:

[(1, 156980356), (2, 78490178), (4, 39245089), (13, 12075412), (19, 8262124), (26, 6037706), (38, 4131062), (52, 3018853), (59, 2660684), (76, 2065531), (118, 1330342), (236, 665171), (247, 635548), (494, 317774), (767, 204668), (988, 158887), (1121, 140036), (1534, 102334), (2242, 70018), (2693, 58292), (3068, 51167), (4484, 35009), (5386, 29146), (10772, 14573)]