28021238

素因数分解:

$2^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{101}}^1\times {\mathrm{149}}^1$

素因数の和:285

約数の個数: 48

約数和(自身を含む): 52326000

約数和(自身を除く): 24304762

約数列:

[1, 2, 7, 14, 19, 38, 49, 98, 101, 133, 149, 202, 266, 298, 707, 931, 1043, 1414, 1862, 1919, 2086, 2831, 3838, 4949, 5662, 7301, 9898, 13433, 14602, 15049, 19817, 26866, 30098, 39634, 94031, 105343, 138719, 188062, 210686, 277438, 285931, 571862, 737401, 1474802, 2001517, 4003034, 14010619, 28021238]

約数ペア:

[(1, 28021238), (2, 14010619), (7, 4003034), (14, 2001517), (19, 1474802), (38, 737401), (49, 571862), (98, 285931), (101, 277438), (133, 210686), (149, 188062), (202, 138719), (266, 105343), (298, 94031), (707, 39634), (931, 30098), (1043, 26866), (1414, 19817), (1862, 15049), (1919, 14602), (2086, 13433), (2831, 9898), (3838, 7301), (4949, 5662)]