28728844

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{47}}^1\times {\mathrm{89}}^1\times {\mathrm{101}}^1$

素因数の和:258

約数の個数: 48

約数和(自身を含む): 55520640

約数和(自身を除く): 26791796

約数列:

[1, 2, 4, 17, 34, 47, 68, 89, 94, 101, 178, 188, 202, 356, 404, 799, 1513, 1598, 1717, 3026, 3196, 3434, 4183, 4747, 6052, 6868, 8366, 8989, 9494, 16732, 17978, 18988, 35956, 71111, 80699, 142222, 152813, 161398, 284444, 305626, 322796, 422483, 611252, 844966, 1689932, 7182211, 14364422, 28728844]

約数ペア:

[(1, 28728844), (2, 14364422), (4, 7182211), (17, 1689932), (34, 844966), (47, 611252), (68, 422483), (89, 322796), (94, 305626), (101, 284444), (178, 161398), (188, 152813), (202, 142222), (356, 80699), (404, 71111), (799, 35956), (1513, 18988), (1598, 17978), (1717, 16732), (3026, 9494), (3196, 8989), (3434, 8366), (4183, 6868), (4747, 6052)]