401478

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{11}}^2\times {\mathrm{79}}^1$

素因数の和:113

約数の個数: 48

約数和(自身を含む): 1021440

約数和(自身を除く): 619962

約数列:

[1, 2, 3, 6, 7, 11, 14, 21, 22, 33, 42, 66, 77, 79, 121, 154, 158, 231, 237, 242, 363, 462, 474, 553, 726, 847, 869, 1106, 1659, 1694, 1738, 2541, 2607, 3318, 5082, 5214, 6083, 9559, 12166, 18249, 19118, 28677, 36498, 57354, 66913, 133826, 200739, 401478]

約数ペア:

[(1, 401478), (2, 200739), (3, 133826), (6, 66913), (7, 57354), (11, 36498), (14, 28677), (21, 19118), (22, 18249), (33, 12166), (42, 9559), (66, 6083), (77, 5214), (79, 5082), (121, 3318), (154, 2607), (158, 2541), (231, 1738), (237, 1694), (242, 1659), (363, 1106), (462, 869), (474, 847), (553, 726)]