31670856

素因数分解:

$2^3\times 3^2\times 7^2\times {\mathrm{47}}^1\times {\mathrm{191}}^1$

素因数の和:264

約数の個数: 144

約数和(自身を含む): 102435840

約数和(自身を除く): 70764984

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 18, 21, 24, 28, 36, 42, 47, 49, 56, 63, 72, 84, 94, 98, 126, 141, 147, 168, 188, 191, 196, 252, 282, 294, 329, 376, 382, 392, 423, 441, 504, 564, 573, 588, 658, 764, 846, 882, 987, 1128, 1146, 1176, 1316, 1337, 1528, 1692, 1719, 1764, 1974, 2292, 2303, 2632, 2674, 2961, 3384, 3438, 3528, 3948, 4011, 4584, 4606, 5348, 5922, 6876, 6909, 7896, 8022, 8977, 9212, 9359, 10696, 11844, 12033, 13752, 13818, 16044, 17954, 18424, 18718, 20727, 23688, 24066, 26931, 27636, 28077, 32088, 35908, 37436, 41454, 48132, 53862, 55272, 56154, 62839, 71816, 74872, 80793, 82908, 84231, 96264, 107724, 112308, 125678, 161586, 165816, 168462, 188517, 215448, 224616, 251356, 323172, 336924, 377034, 439873, 502712, 565551, 646344, 673848, 754068, 879746, 1131102, 1319619, 1508136, 1759492, 2262204, 2639238, 3518984, 3958857, 4524408, 5278476, 7917714, 10556952, 15835428, 31670856]

約数ペア:

[(1, 31670856), (2, 15835428), (3, 10556952), (4, 7917714), (6, 5278476), (7, 4524408), (8, 3958857), (9, 3518984), (12, 2639238), (14, 2262204), (18, 1759492), (21, 1508136), (24, 1319619), (28, 1131102), (36, 879746), (42, 754068), (47, 673848), (49, 646344), (56, 565551), (63, 502712), (72, 439873), (84, 377034), (94, 336924), (98, 323172), (126, 251356), (141, 224616), (147, 215448), (168, 188517), (188, 168462), (191, 165816), (196, 161586), (252, 125678), (282, 112308), (294, 107724), (329, 96264), (376, 84231), (382, 82908), (392, 80793), (423, 74872), (441, 71816), (504, 62839), (564, 56154), (573, 55272), (588, 53862), (658, 48132), (764, 41454), (846, 37436), (882, 35908), (987, 32088), (1128, 28077), (1146, 27636), (1176, 26931), (1316, 24066), (1337, 23688), (1528, 20727), (1692, 18718), (1719, 18424), (1764, 17954), (1974, 16044), (2292, 13818), (2303, 13752), (2632, 12033), (2674, 11844), (2961, 10696), (3384, 9359), (3438, 9212), (3528, 8977), (3948, 8022), (4011, 7896), (4584, 6909), (4606, 6876), (5348, 5922)]