398629648

素因数分解:

$2^4\times {\mathrm{97}}^1\times {\mathrm{113}}^1\times {\mathrm{2273}}^1$

素因数の和:2491

約数の個数: 40

約数和(自身を含む): 787558968

約数和(自身を除く): 388929320

約数列:

[1, 2, 4, 8, 16, 97, 113, 194, 226, 388, 452, 776, 904, 1552, 1808, 2273, 4546, 9092, 10961, 18184, 21922, 36368, 43844, 87688, 175376, 220481, 256849, 440962, 513698, 881924, 1027396, 1763848, 2054792, 3527696, 4109584, 24914353, 49828706, 99657412, 199314824, 398629648]

約数ペア:

[(1, 398629648), (2, 199314824), (4, 99657412), (8, 49828706), (16, 24914353), (97, 4109584), (113, 3527696), (194, 2054792), (226, 1763848), (388, 1027396), (452, 881924), (776, 513698), (904, 440962), (1552, 256849), (1808, 220481), (2273, 175376), (4546, 87688), (9092, 43844), (10961, 36368), (18184, 21922)]