28106168

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{73}}^1\times {\mathrm{149}}^1$

素因数の和:264

約数の個数: 64

約数和(自身を含む): 59940000

約数和(自身を除く): 31833832

約数列:

[1, 2, 4, 8, 17, 19, 34, 38, 68, 73, 76, 136, 146, 149, 152, 292, 298, 323, 584, 596, 646, 1192, 1241, 1292, 1387, 2482, 2533, 2584, 2774, 2831, 4964, 5066, 5548, 5662, 9928, 10132, 10877, 11096, 11324, 20264, 21754, 22648, 23579, 43508, 47158, 48127, 87016, 94316, 96254, 184909, 188632, 192508, 206663, 369818, 385016, 413326, 739636, 826652, 1479272, 1653304, 3513271, 7026542, 14053084, 28106168]

約数ペア:

[(1, 28106168), (2, 14053084), (4, 7026542), (8, 3513271), (17, 1653304), (19, 1479272), (34, 826652), (38, 739636), (68, 413326), (73, 385016), (76, 369818), (136, 206663), (146, 192508), (149, 188632), (152, 184909), (292, 96254), (298, 94316), (323, 87016), (584, 48127), (596, 47158), (646, 43508), (1192, 23579), (1241, 22648), (1292, 21754), (1387, 20264), (2482, 11324), (2533, 11096), (2584, 10877), (2774, 10132), (2831, 9928), (4964, 5662), (5066, 5548)]