251607408

素因数分解:

$2^4\times 3^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{13007}}^1$

素因数の和:13062

約数の個数: 80

約数和(自身を含む): 722620416

約数和(自身を除く): 471013008

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 16, 24, 26, 31, 39, 48, 52, 62, 78, 93, 104, 124, 156, 186, 208, 248, 312, 372, 403, 496, 624, 744, 806, 1209, 1488, 1612, 2418, 3224, 4836, 6448, 9672, 13007, 19344, 26014, 39021, 52028, 78042, 104056, 156084, 169091, 208112, 312168, 338182, 403217, 507273, 624336, 676364, 806434, 1014546, 1209651, 1352728, 1612868, 2029092, 2419302, 2705456, 3225736, 4058184, 4838604, 5241821, 6451472, 8116368, 9677208, 10483642, 15725463, 19354416, 20967284, 31450926, 41934568, 62901852, 83869136, 125803704, 251607408]

約数ペア:

[(1, 251607408), (2, 125803704), (3, 83869136), (4, 62901852), (6, 41934568), (8, 31450926), (12, 20967284), (13, 19354416), (16, 15725463), (24, 10483642), (26, 9677208), (31, 8116368), (39, 6451472), (48, 5241821), (52, 4838604), (62, 4058184), (78, 3225736), (93, 2705456), (104, 2419302), (124, 2029092), (156, 1612868), (186, 1352728), (208, 1209651), (248, 1014546), (312, 806434), (372, 676364), (403, 624336), (496, 507273), (624, 403217), (744, 338182), (806, 312168), (1209, 208112), (1488, 169091), (1612, 156084), (2418, 104056), (3224, 78042), (4836, 52028), (6448, 39021), (9672, 26014), (13007, 19344)]