72400458

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{40357}}^1$

素因数の和:40398

約数の個数: 32

約数和(自身を含む): 162723456

約数和(自身を除く): 90322998

約数列:

[1, 2, 3, 6, 13, 23, 26, 39, 46, 69, 78, 138, 299, 598, 897, 1794, 40357, 80714, 121071, 242142, 524641, 928211, 1049282, 1573923, 1856422, 2784633, 3147846, 5569266, 12066743, 24133486, 36200229, 72400458]

約数ペア:

[(1, 72400458), (2, 36200229), (3, 24133486), (6, 12066743), (13, 5569266), (23, 3147846), (26, 2784633), (39, 1856422), (46, 1573923), (69, 1049282), (78, 928211), (138, 524641), (299, 242142), (598, 121071), (897, 80714), (1794, 40357)]