397777198

素因数分解:

$2^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{16433}}^1$

素因数の和:16481

約数の個数: 48

約数和(自身を含む): 786859920

約数和(自身を除く): 389082722

約数列:

[1, 2, 7, 13, 14, 19, 26, 38, 49, 91, 98, 133, 182, 247, 266, 494, 637, 931, 1274, 1729, 1862, 3458, 12103, 16433, 24206, 32866, 115031, 213629, 230062, 312227, 427258, 624454, 805217, 1495403, 1610434, 2185589, 2990806, 4058951, 4371178, 8117902, 10467821, 15299123, 20935642, 28412657, 30598246, 56825314, 198888599, 397777198]

約数ペア:

[(1, 397777198), (2, 198888599), (7, 56825314), (13, 30598246), (14, 28412657), (19, 20935642), (26, 15299123), (38, 10467821), (49, 8117902), (91, 4371178), (98, 4058951), (133, 2990806), (182, 2185589), (247, 1610434), (266, 1495403), (494, 805217), (637, 624454), (931, 427258), (1274, 312227), (1729, 230062), (1862, 213629), (3458, 115031), (12103, 32866), (16433, 24206)]