25225616

素因数分解:

$2^4\times {\mathrm{13}}^2\times {\mathrm{19}}^1\times {\mathrm{491}}^1$

素因数の和:544

約数の個数: 60

約数和(自身を含む): 55822320

約数和(自身を除く): 30596704

約数列:

[1, 2, 4, 8, 13, 16, 19, 26, 38, 52, 76, 104, 152, 169, 208, 247, 304, 338, 491, 494, 676, 982, 988, 1352, 1964, 1976, 2704, 3211, 3928, 3952, 6383, 6422, 7856, 9329, 12766, 12844, 18658, 25532, 25688, 37316, 51064, 51376, 74632, 82979, 102128, 121277, 149264, 165958, 242554, 331916, 485108, 663832, 970216, 1327664, 1576601, 1940432, 3153202, 6306404, 12612808, 25225616]

約数ペア:

[(1, 25225616), (2, 12612808), (4, 6306404), (8, 3153202), (13, 1940432), (16, 1576601), (19, 1327664), (26, 970216), (38, 663832), (52, 485108), (76, 331916), (104, 242554), (152, 165958), (169, 149264), (208, 121277), (247, 102128), (304, 82979), (338, 74632), (491, 51376), (494, 51064), (676, 37316), (982, 25688), (988, 25532), (1352, 18658), (1964, 12844), (1976, 12766), (2704, 9329), (3211, 7856), (3928, 6422), (3952, 6383)]