253997536

素因数分解:

$2^5\times {\mathrm{13}}^2\times {\mathrm{67}}^1\times {\mathrm{701}}^1$

素因数の和:804

約数の個数: 72

約数和(自身を含む): 550348344

約数和(自身を除く): 296350808

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 67, 104, 134, 169, 208, 268, 338, 416, 536, 676, 701, 871, 1072, 1352, 1402, 1742, 2144, 2704, 2804, 3484, 5408, 5608, 6968, 9113, 11216, 11323, 13936, 18226, 22432, 22646, 27872, 36452, 45292, 46967, 72904, 90584, 93934, 118469, 145808, 181168, 187868, 236938, 291616, 362336, 375736, 473876, 610571, 751472, 947752, 1221142, 1502944, 1895504, 2442284, 3791008, 4884568, 7937423, 9769136, 15874846, 19538272, 31749692, 63499384, 126998768, 253997536]

約数ペア:

[(1, 253997536), (2, 126998768), (4, 63499384), (8, 31749692), (13, 19538272), (16, 15874846), (26, 9769136), (32, 7937423), (52, 4884568), (67, 3791008), (104, 2442284), (134, 1895504), (169, 1502944), (208, 1221142), (268, 947752), (338, 751472), (416, 610571), (536, 473876), (676, 375736), (701, 362336), (871, 291616), (1072, 236938), (1352, 187868), (1402, 181168), (1742, 145808), (2144, 118469), (2704, 93934), (2804, 90584), (3484, 72904), (5408, 46967), (5608, 45292), (6968, 36452), (9113, 27872), (11216, 22646), (11323, 22432), (13936, 18226)]