398691844

素因数分解:

$2^2\times {\mathrm{23}}^1\times {\mathrm{101}}^1\times {\mathrm{107}}^1\times {\mathrm{401}}^1$

素因数の和:636

約数の個数: 48

約数和(自身を含む): 743976576

約数和(自身を除く): 345284732

約数列:

[1, 2, 4, 23, 46, 92, 101, 107, 202, 214, 401, 404, 428, 802, 1604, 2323, 2461, 4646, 4922, 9223, 9292, 9844, 10807, 18446, 21614, 36892, 40501, 42907, 43228, 81002, 85814, 162004, 171628, 248561, 497122, 931523, 986861, 994244, 1863046, 1973722, 3726092, 3947444, 4333607, 8667214, 17334428, 99672961, 199345922, 398691844]

約数ペア:

[(1, 398691844), (2, 199345922), (4, 99672961), (23, 17334428), (46, 8667214), (92, 4333607), (101, 3947444), (107, 3726092), (202, 1973722), (214, 1863046), (401, 994244), (404, 986861), (428, 931523), (802, 497122), (1604, 248561), (2323, 171628), (2461, 162004), (4646, 85814), (4922, 81002), (9223, 43228), (9292, 42907), (9844, 40501), (10807, 36892), (18446, 21614)]