31540912

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{347}}^1$

素因数の和:410

約数の個数: 80

約数和(自身を含む): 72495360

約数和(自身を除く): 40954448

約数列:

[1, 2, 4, 8, 13, 16, 19, 23, 26, 38, 46, 52, 76, 92, 104, 152, 184, 208, 247, 299, 304, 347, 368, 437, 494, 598, 694, 874, 988, 1196, 1388, 1748, 1976, 2392, 2776, 3496, 3952, 4511, 4784, 5552, 5681, 6593, 6992, 7981, 9022, 11362, 13186, 15962, 18044, 22724, 26372, 31924, 36088, 45448, 52744, 63848, 72176, 85709, 90896, 103753, 105488, 127696, 151639, 171418, 207506, 303278, 342836, 415012, 606556, 685672, 830024, 1213112, 1371344, 1660048, 1971307, 2426224, 3942614, 7885228, 15770456, 31540912]

約数ペア:

[(1, 31540912), (2, 15770456), (4, 7885228), (8, 3942614), (13, 2426224), (16, 1971307), (19, 1660048), (23, 1371344), (26, 1213112), (38, 830024), (46, 685672), (52, 606556), (76, 415012), (92, 342836), (104, 303278), (152, 207506), (184, 171418), (208, 151639), (247, 127696), (299, 105488), (304, 103753), (347, 90896), (368, 85709), (437, 72176), (494, 63848), (598, 52744), (694, 45448), (874, 36088), (988, 31924), (1196, 26372), (1388, 22724), (1748, 18044), (1976, 15962), (2392, 13186), (2776, 11362), (3496, 9022), (3952, 7981), (4511, 6992), (4784, 6593), (5552, 5681)]