213588557

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{41}}^1\times {\mathrm{131}}^1$

素因数の和:234

約数の個数: 64

約数和(自身を含む): 298045440

約数和(自身を除く): 84456883

約数列:

[1, 7, 13, 19, 23, 41, 91, 131, 133, 161, 247, 287, 299, 437, 533, 779, 917, 943, 1703, 1729, 2093, 2489, 3013, 3059, 3731, 5371, 5453, 5681, 6601, 10127, 11921, 12259, 17423, 17917, 21091, 32357, 37597, 39169, 39767, 57247, 69823, 70889, 85813, 102049, 123533, 125419, 226499, 232921, 274183, 400729, 488761, 714343, 744211, 864731, 1326637, 1605929, 1630447, 2347127, 5209477, 9286459, 11241503, 16429889, 30512651, 213588557]

約数ペア:

[(1, 213588557), (7, 30512651), (13, 16429889), (19, 11241503), (23, 9286459), (41, 5209477), (91, 2347127), (131, 1630447), (133, 1605929), (161, 1326637), (247, 864731), (287, 744211), (299, 714343), (437, 488761), (533, 400729), (779, 274183), (917, 232921), (943, 226499), (1703, 125419), (1729, 123533), (2093, 102049), (2489, 85813), (3013, 70889), (3059, 69823), (3731, 57247), (5371, 39767), (5453, 39169), (5681, 37597), (6601, 32357), (10127, 21091), (11921, 17917), (12259, 17423)]