28914444

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{1993}}^1$

素因数の和:2047

約数の個数: 72

約数和(自身を含む): 81291392

約数和(自身を除く): 52376948

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 31, 36, 39, 52, 62, 78, 93, 117, 124, 156, 186, 234, 279, 372, 403, 468, 558, 806, 1116, 1209, 1612, 1993, 2418, 3627, 3986, 4836, 5979, 7254, 7972, 11958, 14508, 17937, 23916, 25909, 35874, 51818, 61783, 71748, 77727, 103636, 123566, 155454, 185349, 233181, 247132, 310908, 370698, 466362, 556047, 741396, 803179, 932724, 1112094, 1606358, 2224188, 2409537, 3212716, 4819074, 7228611, 9638148, 14457222, 28914444]

約数ペア:

[(1, 28914444), (2, 14457222), (3, 9638148), (4, 7228611), (6, 4819074), (9, 3212716), (12, 2409537), (13, 2224188), (18, 1606358), (26, 1112094), (31, 932724), (36, 803179), (39, 741396), (52, 556047), (62, 466362), (78, 370698), (93, 310908), (117, 247132), (124, 233181), (156, 185349), (186, 155454), (234, 123566), (279, 103636), (372, 77727), (403, 71748), (468, 61783), (558, 51818), (806, 35874), (1116, 25909), (1209, 23916), (1612, 17937), (1993, 14508), (2418, 11958), (3627, 7972), (3986, 7254), (4836, 5979)]