291288348

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^1\times {\mathrm{641}}^1\times {\mathrm{971}}^1$

素因数の和:1635

約数の個数: 72

約数和(自身を含む): 795006576

約数和(自身を除く): 503718228

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 36, 39, 52, 78, 117, 156, 234, 468, 641, 971, 1282, 1923, 1942, 2564, 2913, 3846, 3884, 5769, 5826, 7692, 8333, 8739, 11538, 11652, 12623, 16666, 17478, 23076, 24999, 25246, 33332, 34956, 37869, 49998, 50492, 74997, 75738, 99996, 113607, 149994, 151476, 227214, 299988, 454428, 622411, 1244822, 1867233, 2489644, 3734466, 5601699, 7468932, 8091343, 11203398, 16182686, 22406796, 24274029, 32365372, 48548058, 72822087, 97096116, 145644174, 291288348]

約数ペア:

[(1, 291288348), (2, 145644174), (3, 97096116), (4, 72822087), (6, 48548058), (9, 32365372), (12, 24274029), (13, 22406796), (18, 16182686), (26, 11203398), (36, 8091343), (39, 7468932), (52, 5601699), (78, 3734466), (117, 2489644), (156, 1867233), (234, 1244822), (468, 622411), (641, 454428), (971, 299988), (1282, 227214), (1923, 151476), (1942, 149994), (2564, 113607), (2913, 99996), (3846, 75738), (3884, 74997), (5769, 50492), (5826, 49998), (7692, 37869), (8333, 34956), (8739, 33332), (11538, 25246), (11652, 24999), (12623, 23076), (16666, 17478)]