78580190

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{41}}^1\times {\mathrm{641}}^1$

素因数の和:725

約数の個数: 64

約数和(自身を含む): 163078272

約数和(自身を除く): 84498082

約数列:

[1, 2, 5, 10, 13, 23, 26, 41, 46, 65, 82, 115, 130, 205, 230, 299, 410, 533, 598, 641, 943, 1066, 1282, 1495, 1886, 2665, 2990, 3205, 4715, 5330, 6410, 8333, 9430, 12259, 14743, 16666, 24518, 26281, 29486, 41665, 52562, 61295, 73715, 83330, 122590, 131405, 147430, 191659, 262810, 341653, 383318, 604463, 683306, 958295, 1208926, 1708265, 1916590, 3022315, 3416530, 6044630, 7858019, 15716038, 39290095, 78580190]

約数ペア:

[(1, 78580190), (2, 39290095), (5, 15716038), (10, 7858019), (13, 6044630), (23, 3416530), (26, 3022315), (41, 1916590), (46, 1708265), (65, 1208926), (82, 958295), (115, 683306), (130, 604463), (205, 383318), (230, 341653), (299, 262810), (410, 191659), (533, 147430), (598, 131405), (641, 122590), (943, 83330), (1066, 73715), (1282, 61295), (1495, 52562), (1886, 41665), (2665, 29486), (2990, 26281), (3205, 24518), (4715, 16666), (5330, 14743), (6410, 12259), (8333, 9430)]