28029378

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{61}}^1\times {\mathrm{137}}^1$

素因数の和:259

約数の個数: 64

約数和(自身を含む): 63245952

約数和(自身を除く): 35216574

約数列:

[1, 2, 3, 6, 13, 26, 39, 43, 61, 78, 86, 122, 129, 137, 183, 258, 274, 366, 411, 559, 793, 822, 1118, 1586, 1677, 1781, 2379, 2623, 3354, 3562, 4758, 5246, 5343, 5891, 7869, 8357, 10686, 11782, 15738, 16714, 17673, 25071, 34099, 35346, 50142, 68198, 76583, 102297, 108641, 153166, 204594, 217282, 229749, 325923, 359351, 459498, 651846, 718702, 1078053, 2156106, 4671563, 9343126, 14014689, 28029378]

約数ペア:

[(1, 28029378), (2, 14014689), (3, 9343126), (6, 4671563), (13, 2156106), (26, 1078053), (39, 718702), (43, 651846), (61, 459498), (78, 359351), (86, 325923), (122, 229749), (129, 217282), (137, 204594), (183, 153166), (258, 108641), (274, 102297), (366, 76583), (411, 68198), (559, 50142), (793, 35346), (822, 34099), (1118, 25071), (1586, 17673), (1677, 16714), (1781, 15738), (2379, 11782), (2623, 10686), (3354, 8357), (3562, 7869), (4758, 5891), (5246, 5343)]