72722728

素因数分解:

$2^3\times {\mathrm{13}}^2\times {\mathrm{19}}^2\times {\mathrm{149}}^1$

素因数の和:219

約数の個数: 72

約数和(自身を含む): 156876750

約数和(自身を除く): 84154022

約数列:

[1, 2, 4, 8, 13, 19, 26, 38, 52, 76, 104, 149, 152, 169, 247, 298, 338, 361, 494, 596, 676, 722, 988, 1192, 1352, 1444, 1937, 1976, 2831, 2888, 3211, 3874, 4693, 5662, 6422, 7748, 9386, 11324, 12844, 15496, 18772, 22648, 25181, 25688, 36803, 37544, 50362, 53789, 61009, 73606, 100724, 107578, 122018, 147212, 201448, 215156, 244036, 294424, 430312, 478439, 488072, 699257, 956878, 1398514, 1913756, 2797028, 3827512, 5594056, 9090341, 18180682, 36361364, 72722728]

約数ペア:

[(1, 72722728), (2, 36361364), (4, 18180682), (8, 9090341), (13, 5594056), (19, 3827512), (26, 2797028), (38, 1913756), (52, 1398514), (76, 956878), (104, 699257), (149, 488072), (152, 478439), (169, 430312), (247, 294424), (298, 244036), (338, 215156), (361, 201448), (494, 147212), (596, 122018), (676, 107578), (722, 100724), (988, 73606), (1192, 61009), (1352, 53789), (1444, 50362), (1937, 37544), (1976, 36803), (2831, 25688), (2888, 25181), (3211, 22648), (3874, 18772), (4693, 15496), (5662, 12844), (6422, 11324), (7748, 9386)]