28989584

素因数分解:

$2^4\times {\mathrm{13}}^2\times {\mathrm{71}}^1\times {\mathrm{151}}^1$

素因数の和:256

約数の個数: 60

約数和(自身を含む): 62085312

約数和(自身を除く): 33095728

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 71, 104, 142, 151, 169, 208, 284, 302, 338, 568, 604, 676, 923, 1136, 1208, 1352, 1846, 1963, 2416, 2704, 3692, 3926, 7384, 7852, 10721, 11999, 14768, 15704, 21442, 23998, 25519, 31408, 42884, 47996, 51038, 85768, 95992, 102076, 139373, 171536, 191984, 204152, 278746, 408304, 557492, 1114984, 1811849, 2229968, 3623698, 7247396, 14494792, 28989584]

約数ペア:

[(1, 28989584), (2, 14494792), (4, 7247396), (8, 3623698), (13, 2229968), (16, 1811849), (26, 1114984), (52, 557492), (71, 408304), (104, 278746), (142, 204152), (151, 191984), (169, 171536), (208, 139373), (284, 102076), (302, 95992), (338, 85768), (568, 51038), (604, 47996), (676, 42884), (923, 31408), (1136, 25519), (1208, 23998), (1352, 21442), (1846, 15704), (1963, 14768), (2416, 11999), (2704, 10721), (3692, 7852), (3926, 7384)]