311777284

素因数分解:

$2^2\times 7^1\times {\mathrm{13}}^2\times {\mathrm{41}}^1\times {\mathrm{1607}}^1$

素因数の和:1685

約数の個数: 72

約数和(自身を含む): 692108928

約数和(自身を除く): 380331644

約数列:

[1, 2, 4, 7, 13, 14, 26, 28, 41, 52, 82, 91, 164, 169, 182, 287, 338, 364, 533, 574, 676, 1066, 1148, 1183, 1607, 2132, 2366, 3214, 3731, 4732, 6428, 6929, 7462, 11249, 13858, 14924, 20891, 22498, 27716, 41782, 44996, 48503, 65887, 83564, 97006, 131774, 146237, 194012, 263548, 271583, 292474, 461209, 543166, 584948, 856531, 922418, 1086332, 1713062, 1844836, 1901081, 3426124, 3802162, 5995717, 7604324, 11134903, 11991434, 22269806, 23982868, 44539612, 77944321, 155888642, 311777284]

約数ペア:

[(1, 311777284), (2, 155888642), (4, 77944321), (7, 44539612), (13, 23982868), (14, 22269806), (26, 11991434), (28, 11134903), (41, 7604324), (52, 5995717), (82, 3802162), (91, 3426124), (164, 1901081), (169, 1844836), (182, 1713062), (287, 1086332), (338, 922418), (364, 856531), (533, 584948), (574, 543166), (676, 461209), (1066, 292474), (1148, 271583), (1183, 263548), (1607, 194012), (2132, 146237), (2366, 131774), (3214, 97006), (3731, 83564), (4732, 65887), (6428, 48503), (6929, 44996), (7462, 41782), (11249, 27716), (13858, 22498), (14924, 20891)]