81263052

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^1\times {\mathrm{89}}^1\times {\mathrm{1951}}^1$

素因数の和:2063

約数の個数: 72

約数和(自身を含む): 223816320

約数和(自身を除く): 142553268

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 36, 39, 52, 78, 89, 117, 156, 178, 234, 267, 356, 468, 534, 801, 1068, 1157, 1602, 1951, 2314, 3204, 3471, 3902, 4628, 5853, 6942, 7804, 10413, 11706, 13884, 17559, 20826, 23412, 25363, 35118, 41652, 50726, 70236, 76089, 101452, 152178, 173639, 228267, 304356, 347278, 456534, 520917, 694556, 913068, 1041834, 1562751, 2083668, 2257307, 3125502, 4514614, 6251004, 6771921, 9029228, 13543842, 20315763, 27087684, 40631526, 81263052]

約数ペア:

[(1, 81263052), (2, 40631526), (3, 27087684), (4, 20315763), (6, 13543842), (9, 9029228), (12, 6771921), (13, 6251004), (18, 4514614), (26, 3125502), (36, 2257307), (39, 2083668), (52, 1562751), (78, 1041834), (89, 913068), (117, 694556), (156, 520917), (178, 456534), (234, 347278), (267, 304356), (356, 228267), (468, 173639), (534, 152178), (801, 101452), (1068, 76089), (1157, 70236), (1602, 50726), (1951, 41652), (2314, 35118), (3204, 25363), (3471, 23412), (3902, 20826), (4628, 17559), (5853, 13884), (6942, 11706), (7804, 10413)]