31574998

素因数分解:

$2^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{397}}^1$

素因数の和:461

約数の個数: 64

約数和(自身を含む): 64189440

約数和(自身を除く): 32614442

約数列:

[1, 2, 7, 13, 14, 19, 23, 26, 38, 46, 91, 133, 161, 182, 247, 266, 299, 322, 397, 437, 494, 598, 794, 874, 1729, 2093, 2779, 3059, 3458, 4186, 5161, 5558, 5681, 6118, 7543, 9131, 10322, 11362, 15086, 18262, 36127, 39767, 52801, 63917, 72254, 79534, 98059, 105602, 118703, 127834, 173489, 196118, 237406, 346978, 686413, 830921, 1214423, 1372826, 1661842, 2255357, 2428846, 4510714, 15787499, 31574998]

約数ペア:

[(1, 31574998), (2, 15787499), (7, 4510714), (13, 2428846), (14, 2255357), (19, 1661842), (23, 1372826), (26, 1214423), (38, 830921), (46, 686413), (91, 346978), (133, 237406), (161, 196118), (182, 173489), (247, 127834), (266, 118703), (299, 105602), (322, 98059), (397, 79534), (437, 72254), (494, 63917), (598, 52801), (794, 39767), (874, 36127), (1729, 18262), (2093, 15086), (2779, 11362), (3059, 10322), (3458, 9131), (4186, 7543), (5161, 6118), (5558, 5681)]