639458716

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{127}}^1\times {\mathrm{2617}}^1$

素因数の和:2798

約数の個数: 48

約数和(自身を含む): 1247927296

約数和(自身を除く): 608468580

約数列:

[1, 2, 4, 13, 26, 37, 52, 74, 127, 148, 254, 481, 508, 962, 1651, 1924, 2617, 3302, 4699, 5234, 6604, 9398, 10468, 18796, 34021, 61087, 68042, 96829, 122174, 136084, 193658, 244348, 332359, 387316, 664718, 1258777, 1329436, 2517554, 4320667, 5035108, 8641334, 12297283, 17282668, 24594566, 49189132, 159864679, 319729358, 639458716]

約数ペア:

[(1, 639458716), (2, 319729358), (4, 159864679), (13, 49189132), (26, 24594566), (37, 17282668), (52, 12297283), (74, 8641334), (127, 5035108), (148, 4320667), (254, 2517554), (481, 1329436), (508, 1258777), (962, 664718), (1651, 387316), (1924, 332359), (2617, 244348), (3302, 193658), (4699, 136084), (5234, 122174), (6604, 96829), (9398, 68042), (10468, 61087), (18796, 34021)]