31817552

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{83}}^1\times {\mathrm{97}}^1$

素因数の和:220

約数の個数: 80

約数和(自身を含む): 71453760

約数和(自身を除く): 39636208

約数列:

[1, 2, 4, 8, 13, 16, 19, 26, 38, 52, 76, 83, 97, 104, 152, 166, 194, 208, 247, 304, 332, 388, 494, 664, 776, 988, 1079, 1261, 1328, 1552, 1577, 1843, 1976, 2158, 2522, 3154, 3686, 3952, 4316, 5044, 6308, 7372, 8051, 8632, 10088, 12616, 14744, 16102, 17264, 20176, 20501, 23959, 25232, 29488, 32204, 41002, 47918, 64408, 82004, 95836, 104663, 128816, 152969, 164008, 191672, 209326, 305938, 328016, 383344, 418652, 611876, 837304, 1223752, 1674608, 1988597, 2447504, 3977194, 7954388, 15908776, 31817552]

約数ペア:

[(1, 31817552), (2, 15908776), (4, 7954388), (8, 3977194), (13, 2447504), (16, 1988597), (19, 1674608), (26, 1223752), (38, 837304), (52, 611876), (76, 418652), (83, 383344), (97, 328016), (104, 305938), (152, 209326), (166, 191672), (194, 164008), (208, 152969), (247, 128816), (304, 104663), (332, 95836), (388, 82004), (494, 64408), (664, 47918), (776, 41002), (988, 32204), (1079, 29488), (1261, 25232), (1328, 23959), (1552, 20501), (1577, 20176), (1843, 17264), (1976, 16102), (2158, 14744), (2522, 12616), (3154, 10088), (3686, 8632), (3952, 8051), (4316, 7372), (5044, 6308)]