128874456

素因数分解:

$2^3\times 3^3\times {\mathrm{61}}^1\times {\mathrm{9781}}^1$

素因数の和:9857

約数の個数: 64

約数和(自身を含む): 363890400

約数和(自身を除く): 235015944

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 27, 36, 54, 61, 72, 108, 122, 183, 216, 244, 366, 488, 549, 732, 1098, 1464, 1647, 2196, 3294, 4392, 6588, 9781, 13176, 19562, 29343, 39124, 58686, 78248, 88029, 117372, 176058, 234744, 264087, 352116, 528174, 596641, 704232, 1056348, 1193282, 1789923, 2112696, 2386564, 3579846, 4773128, 5369769, 7159692, 10739538, 14319384, 16109307, 21479076, 32218614, 42958152, 64437228, 128874456]

約数ペア:

[(1, 128874456), (2, 64437228), (3, 42958152), (4, 32218614), (6, 21479076), (8, 16109307), (9, 14319384), (12, 10739538), (18, 7159692), (24, 5369769), (27, 4773128), (36, 3579846), (54, 2386564), (61, 2112696), (72, 1789923), (108, 1193282), (122, 1056348), (183, 704232), (216, 596641), (244, 528174), (366, 352116), (488, 264087), (549, 234744), (732, 176058), (1098, 117372), (1464, 88029), (1647, 78248), (2196, 58686), (3294, 39124), (4392, 29343), (6588, 19562), (9781, 13176)]