30916548

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{2131}}^1$

素因数の和:2185

約数の個数: 72

約数和(自身を含む): 86917376

約数和(自身を除く): 56000828

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 31, 36, 39, 52, 62, 78, 93, 117, 124, 156, 186, 234, 279, 372, 403, 468, 558, 806, 1116, 1209, 1612, 2131, 2418, 3627, 4262, 4836, 6393, 7254, 8524, 12786, 14508, 19179, 25572, 27703, 38358, 55406, 66061, 76716, 83109, 110812, 132122, 166218, 198183, 249327, 264244, 332436, 396366, 498654, 594549, 792732, 858793, 997308, 1189098, 1717586, 2378196, 2576379, 3435172, 5152758, 7729137, 10305516, 15458274, 30916548]

約数ペア:

[(1, 30916548), (2, 15458274), (3, 10305516), (4, 7729137), (6, 5152758), (9, 3435172), (12, 2576379), (13, 2378196), (18, 1717586), (26, 1189098), (31, 997308), (36, 858793), (39, 792732), (52, 594549), (62, 498654), (78, 396366), (93, 332436), (117, 264244), (124, 249327), (156, 198183), (186, 166218), (234, 132122), (279, 110812), (372, 83109), (403, 76716), (468, 66061), (558, 55406), (806, 38358), (1116, 27703), (1209, 25572), (1612, 19179), (2131, 14508), (2418, 12786), (3627, 8524), (4262, 7254), (4836, 6393)]