28679898

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{409}}^1$

素因数の和:487

約数の個数: 64

約数和(自身を含む): 66124800

約数和(自身を除く): 37444902

約数列:

[1, 2, 3, 6, 13, 26, 29, 31, 39, 58, 62, 78, 87, 93, 174, 186, 377, 403, 409, 754, 806, 818, 899, 1131, 1209, 1227, 1798, 2262, 2418, 2454, 2697, 5317, 5394, 10634, 11687, 11861, 12679, 15951, 23374, 23722, 25358, 31902, 35061, 35583, 38037, 70122, 71166, 76074, 154193, 164827, 308386, 329654, 367691, 462579, 494481, 735382, 925158, 988962, 1103073, 2206146, 4779983, 9559966, 14339949, 28679898]

約数ペア:

[(1, 28679898), (2, 14339949), (3, 9559966), (6, 4779983), (13, 2206146), (26, 1103073), (29, 988962), (31, 925158), (39, 735382), (58, 494481), (62, 462579), (78, 367691), (87, 329654), (93, 308386), (174, 164827), (186, 154193), (377, 76074), (403, 71166), (409, 70122), (754, 38037), (806, 35583), (818, 35061), (899, 31902), (1131, 25358), (1209, 23722), (1227, 23374), (1798, 15951), (2262, 12679), (2418, 11861), (2454, 11687), (2697, 10634), (5317, 5394)]