81859284

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{10289}}^1$

素因数の和:10329

約数の個数: 72

約数和(自身を含む): 235970280

約数和(自身を除く): 154110996

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 17, 18, 26, 34, 36, 39, 51, 52, 68, 78, 102, 117, 153, 156, 204, 221, 234, 306, 442, 468, 612, 663, 884, 1326, 1989, 2652, 3978, 7956, 10289, 20578, 30867, 41156, 61734, 92601, 123468, 133757, 174913, 185202, 267514, 349826, 370404, 401271, 524739, 535028, 699652, 802542, 1049478, 1203813, 1574217, 1605084, 2098956, 2273869, 2407626, 3148434, 4547738, 4815252, 6296868, 6821607, 9095476, 13643214, 20464821, 27286428, 40929642, 81859284]

約数ペア:

[(1, 81859284), (2, 40929642), (3, 27286428), (4, 20464821), (6, 13643214), (9, 9095476), (12, 6821607), (13, 6296868), (17, 4815252), (18, 4547738), (26, 3148434), (34, 2407626), (36, 2273869), (39, 2098956), (51, 1605084), (52, 1574217), (68, 1203813), (78, 1049478), (102, 802542), (117, 699652), (153, 535028), (156, 524739), (204, 401271), (221, 370404), (234, 349826), (306, 267514), (442, 185202), (468, 174913), (612, 133757), (663, 123468), (884, 92601), (1326, 61734), (1989, 41156), (2652, 30867), (3978, 20578), (7956, 10289)]