389452804

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{401}}^1\times {\mathrm{983}}^1$

素因数の和:1420

約数の個数: 48

約数和(自身を含む): 775313280

約数和(自身を除く): 385860476

約数列:

[1, 2, 4, 13, 19, 26, 38, 52, 76, 247, 401, 494, 802, 983, 988, 1604, 1966, 3932, 5213, 7619, 10426, 12779, 15238, 18677, 20852, 25558, 30476, 37354, 51116, 74708, 99047, 198094, 242801, 394183, 396188, 485602, 788366, 971204, 1576732, 5124379, 7489477, 10248758, 14978954, 20497516, 29957908, 97363201, 194726402, 389452804]

約数ペア:

[(1, 389452804), (2, 194726402), (4, 97363201), (13, 29957908), (19, 20497516), (26, 14978954), (38, 10248758), (52, 7489477), (76, 5124379), (247, 1576732), (401, 971204), (494, 788366), (802, 485602), (983, 396188), (988, 394183), (1604, 242801), (1966, 198094), (3932, 99047), (5213, 74708), (7619, 51116), (10426, 37354), (12779, 30476), (15238, 25558), (18677, 20852)]