978019028

素因数分解:

$2^2\times 7^2\times {\mathrm{397}}^1\times {\mathrm{12569}}^1$

素因数の和:12984

約数の個数: 36

約数和(自身を含む): 1996141140

約数和(自身を除く): 1018122112

約数列:

[1, 2, 4, 7, 14, 28, 49, 98, 196, 397, 794, 1588, 2779, 5558, 11116, 12569, 19453, 25138, 38906, 50276, 77812, 87983, 175966, 351932, 615881, 1231762, 2463524, 4989893, 9979786, 19959572, 34929251, 69858502, 139717004, 244504757, 489009514, 978019028]

約数ペア:

[(1, 978019028), (2, 489009514), (4, 244504757), (7, 139717004), (14, 69858502), (28, 34929251), (49, 19959572), (98, 9979786), (196, 4989893), (397, 2463524), (794, 1231762), (1588, 615881), (2779, 351932), (5558, 175966), (11116, 87983), (12569, 77812), (19453, 50276), (25138, 38906)]