61649388

素因数分解:

$2^2\times 3^2\times {\mathrm{53}}^1\times {\mathrm{79}}^1\times {\mathrm{409}}^1$

素因数の和:551

約数の個数: 72

約数和(自身を含む): 161179200

約数和(自身を除く): 99529812

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 53, 79, 106, 158, 159, 212, 237, 316, 318, 409, 474, 477, 636, 711, 818, 948, 954, 1227, 1422, 1636, 1908, 2454, 2844, 3681, 4187, 4908, 7362, 8374, 12561, 14724, 16748, 21677, 25122, 32311, 37683, 43354, 50244, 64622, 65031, 75366, 86708, 96933, 129244, 130062, 150732, 193866, 195093, 260124, 290799, 387732, 390186, 581598, 780372, 1163196, 1712483, 3424966, 5137449, 6849932, 10274898, 15412347, 20549796, 30824694, 61649388]

約数ペア:

[(1, 61649388), (2, 30824694), (3, 20549796), (4, 15412347), (6, 10274898), (9, 6849932), (12, 5137449), (18, 3424966), (36, 1712483), (53, 1163196), (79, 780372), (106, 581598), (158, 390186), (159, 387732), (212, 290799), (237, 260124), (316, 195093), (318, 193866), (409, 150732), (474, 130062), (477, 129244), (636, 96933), (711, 86708), (818, 75366), (948, 65031), (954, 64622), (1227, 50244), (1422, 43354), (1636, 37683), (1908, 32311), (2454, 25122), (2844, 21677), (3681, 16748), (4187, 14724), (4908, 12561), (7362, 8374)]