31882188

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^2\times {\mathrm{79}}^1\times {\mathrm{199}}^1$

素因数の和:311

約数の個数: 72

約数和(自身を含む): 81984000

約数和(自身を除く): 50101812

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 39, 52, 78, 79, 156, 158, 169, 199, 237, 316, 338, 398, 474, 507, 597, 676, 796, 948, 1014, 1027, 1194, 2028, 2054, 2388, 2587, 3081, 4108, 5174, 6162, 7761, 10348, 12324, 13351, 15522, 15721, 26702, 31044, 31442, 33631, 40053, 47163, 53404, 62884, 67262, 80106, 94326, 100893, 134524, 160212, 188652, 201786, 204373, 403572, 408746, 613119, 817492, 1226238, 2452476, 2656849, 5313698, 7970547, 10627396, 15941094, 31882188]

約数ペア:

[(1, 31882188), (2, 15941094), (3, 10627396), (4, 7970547), (6, 5313698), (12, 2656849), (13, 2452476), (26, 1226238), (39, 817492), (52, 613119), (78, 408746), (79, 403572), (156, 204373), (158, 201786), (169, 188652), (199, 160212), (237, 134524), (316, 100893), (338, 94326), (398, 80106), (474, 67262), (507, 62884), (597, 53404), (676, 47163), (796, 40053), (948, 33631), (1014, 31442), (1027, 31044), (1194, 26702), (2028, 15721), (2054, 15522), (2388, 13351), (2587, 12324), (3081, 10348), (4108, 7761), (5174, 6162)]