1291212

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{89}}^1$

素因数の和:143

約数の個数: 72

約数和(自身を含む): 3669120

約数和(自身を除く): 2377908

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 31, 36, 39, 52, 62, 78, 89, 93, 117, 124, 156, 178, 186, 234, 267, 279, 356, 372, 403, 468, 534, 558, 801, 806, 1068, 1116, 1157, 1209, 1602, 1612, 2314, 2418, 2759, 3204, 3471, 3627, 4628, 4836, 5518, 6942, 7254, 8277, 10413, 11036, 13884, 14508, 16554, 20826, 24831, 33108, 35867, 41652, 49662, 71734, 99324, 107601, 143468, 215202, 322803, 430404, 645606, 1291212]

約数ペア:

[(1, 1291212), (2, 645606), (3, 430404), (4, 322803), (6, 215202), (9, 143468), (12, 107601), (13, 99324), (18, 71734), (26, 49662), (31, 41652), (36, 35867), (39, 33108), (52, 24831), (62, 20826), (78, 16554), (89, 14508), (93, 13884), (117, 11036), (124, 10413), (156, 8277), (178, 7254), (186, 6942), (234, 5518), (267, 4836), (279, 4628), (356, 3627), (372, 3471), (403, 3204), (468, 2759), (534, 2418), (558, 2314), (801, 1612), (806, 1602), (1068, 1209), (1116, 1157)]