389897928

素因数分解:

$2^3\times 3^3\times 7^1\times {\mathrm{257869}}^1$

素因数の和:257891

約数の個数: 64

約数和(自身を含む): 1237776000

約数和(自身を除く): 847878072

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 18, 21, 24, 27, 28, 36, 42, 54, 56, 63, 72, 84, 108, 126, 168, 189, 216, 252, 378, 504, 756, 1512, 257869, 515738, 773607, 1031476, 1547214, 1805083, 2062952, 2320821, 3094428, 3610166, 4641642, 5415249, 6188856, 6962463, 7220332, 9283284, 10830498, 13924926, 14440664, 16245747, 18566568, 21660996, 27849852, 32491494, 43321992, 48737241, 55699704, 64982988, 97474482, 129965976, 194948964, 389897928]

約数ペア:

[(1, 389897928), (2, 194948964), (3, 129965976), (4, 97474482), (6, 64982988), (7, 55699704), (8, 48737241), (9, 43321992), (12, 32491494), (14, 27849852), (18, 21660996), (21, 18566568), (24, 16245747), (27, 14440664), (28, 13924926), (36, 10830498), (42, 9283284), (54, 7220332), (56, 6962463), (63, 6188856), (72, 5415249), (84, 4641642), (108, 3610166), (126, 3094428), (168, 2320821), (189, 2062952), (216, 1805083), (252, 1547214), (378, 1031476), (504, 773607), (756, 515738), (1512, 257869)]