3998008

素因数分解:

$2^3\times 7^3\times {\mathrm{31}}^1\times {\mathrm{47}}^1$

素因数の和:105

約数の個数: 64

約数和(自身を含む): 9216000

約数和(自身を除く): 5217992

約数列:

[1, 2, 4, 7, 8, 14, 28, 31, 47, 49, 56, 62, 94, 98, 124, 188, 196, 217, 248, 329, 343, 376, 392, 434, 658, 686, 868, 1316, 1372, 1457, 1519, 1736, 2303, 2632, 2744, 2914, 3038, 4606, 5828, 6076, 9212, 10199, 10633, 11656, 12152, 16121, 18424, 20398, 21266, 32242, 40796, 42532, 64484, 71393, 81592, 85064, 128968, 142786, 285572, 499751, 571144, 999502, 1999004, 3998008]

約数ペア:

[(1, 3998008), (2, 1999004), (4, 999502), (7, 571144), (8, 499751), (14, 285572), (28, 142786), (31, 128968), (47, 85064), (49, 81592), (56, 71393), (62, 64484), (94, 42532), (98, 40796), (124, 32242), (188, 21266), (196, 20398), (217, 18424), (248, 16121), (329, 12152), (343, 11656), (376, 10633), (392, 10199), (434, 9212), (658, 6076), (686, 5828), (868, 4606), (1316, 3038), (1372, 2914), (1457, 2744), (1519, 2632), (1736, 2303)]