90474228

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^1\times {\mathrm{97}}^1\times {\mathrm{1993}}^1$

素因数の和:2113

約数の個数: 72

約数和(自身を含む): 248954888

約数和(自身を除く): 158480660

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 36, 39, 52, 78, 97, 117, 156, 194, 234, 291, 388, 468, 582, 873, 1164, 1261, 1746, 1993, 2522, 3492, 3783, 3986, 5044, 5979, 7566, 7972, 11349, 11958, 15132, 17937, 22698, 23916, 25909, 35874, 45396, 51818, 71748, 77727, 103636, 155454, 193321, 233181, 310908, 386642, 466362, 579963, 773284, 932724, 1159926, 1739889, 2319852, 2513173, 3479778, 5026346, 6959556, 7539519, 10052692, 15079038, 22618557, 30158076, 45237114, 90474228]

約数ペア:

[(1, 90474228), (2, 45237114), (3, 30158076), (4, 22618557), (6, 15079038), (9, 10052692), (12, 7539519), (13, 6959556), (18, 5026346), (26, 3479778), (36, 2513173), (39, 2319852), (52, 1739889), (78, 1159926), (97, 932724), (117, 773284), (156, 579963), (194, 466362), (234, 386642), (291, 310908), (388, 233181), (468, 193321), (582, 155454), (873, 103636), (1164, 77727), (1261, 71748), (1746, 51818), (1993, 45396), (2522, 35874), (3492, 25909), (3783, 23916), (3986, 22698), (5044, 17937), (5979, 15132), (7566, 11958), (7972, 11349)]