1303984

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{239}}^1$

素因数の和:289

約数の個数: 40

約数和(自身を含む): 2856960

約数和(自身を除く): 1552976

約数列:

[1, 2, 4, 8, 11, 16, 22, 31, 44, 62, 88, 124, 176, 239, 248, 341, 478, 496, 682, 956, 1364, 1912, 2629, 2728, 3824, 5258, 5456, 7409, 10516, 14818, 21032, 29636, 42064, 59272, 81499, 118544, 162998, 325996, 651992, 1303984]

約数ペア:

[(1, 1303984), (2, 651992), (4, 325996), (8, 162998), (11, 118544), (16, 81499), (22, 59272), (31, 42064), (44, 29636), (62, 21032), (88, 14818), (124, 10516), (176, 7409), (239, 5456), (248, 5258), (341, 3824), (478, 2728), (496, 2629), (682, 1912), (956, 1364)]