28687648

素因数分解:

$2^5\times {\mathrm{11}}^2\times {\mathrm{31}}^1\times {\mathrm{239}}^1$

素因数の和:302

約数の個数: 72

約数和(自身を含む): 64350720

約数和(自身を除く): 35663072

約数列:

[1, 2, 4, 8, 11, 16, 22, 31, 32, 44, 62, 88, 121, 124, 176, 239, 242, 248, 341, 352, 478, 484, 496, 682, 956, 968, 992, 1364, 1912, 1936, 2629, 2728, 3751, 3824, 3872, 5258, 5456, 7409, 7502, 7648, 10516, 10912, 14818, 15004, 21032, 28919, 29636, 30008, 42064, 57838, 59272, 60016, 81499, 84128, 115676, 118544, 120032, 162998, 231352, 237088, 325996, 462704, 651992, 896489, 925408, 1303984, 1792978, 2607968, 3585956, 7171912, 14343824, 28687648]

約数ペア:

[(1, 28687648), (2, 14343824), (4, 7171912), (8, 3585956), (11, 2607968), (16, 1792978), (22, 1303984), (31, 925408), (32, 896489), (44, 651992), (62, 462704), (88, 325996), (121, 237088), (124, 231352), (176, 162998), (239, 120032), (242, 118544), (248, 115676), (341, 84128), (352, 81499), (478, 60016), (484, 59272), (496, 57838), (682, 42064), (956, 30008), (968, 29636), (992, 28919), (1364, 21032), (1912, 15004), (1936, 14818), (2629, 10912), (2728, 10516), (3751, 7648), (3824, 7502), (3872, 7409), (5258, 5456)]