31984568

素因数分解:

$2^3\times 7^1\times {\mathrm{11}}^1\times {\mathrm{137}}^1\times {\mathrm{379}}^1$

素因数の和:540

約数の個数: 64

約数和(自身を含む): 75513600

約数和(自身を除く): 43529032

約数列:

[1, 2, 4, 7, 8, 11, 14, 22, 28, 44, 56, 77, 88, 137, 154, 274, 308, 379, 548, 616, 758, 959, 1096, 1507, 1516, 1918, 2653, 3014, 3032, 3836, 4169, 5306, 6028, 7672, 8338, 10549, 10612, 12056, 16676, 21098, 21224, 29183, 33352, 42196, 51923, 58366, 84392, 103846, 116732, 207692, 233464, 363461, 415384, 571153, 726922, 1142306, 1453844, 2284612, 2907688, 3998071, 4569224, 7996142, 15992284, 31984568]

約数ペア:

[(1, 31984568), (2, 15992284), (4, 7996142), (7, 4569224), (8, 3998071), (11, 2907688), (14, 2284612), (22, 1453844), (28, 1142306), (44, 726922), (56, 571153), (77, 415384), (88, 363461), (137, 233464), (154, 207692), (274, 116732), (308, 103846), (379, 84392), (548, 58366), (616, 51923), (758, 42196), (959, 33352), (1096, 29183), (1507, 21224), (1516, 21098), (1918, 16676), (2653, 12056), (3014, 10612), (3032, 10549), (3836, 8338), (4169, 7672), (5306, 6028)]