987691024

素因数分解:

$2^4\times {\mathrm{17}}^2\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{251}}^1$

素因数の和:353

約数の個数: 120

約数和(自身を含む): 2187235008

約数和(自身を除く): 1199543984

約数列:

[1, 2, 4, 8, 16, 17, 23, 34, 37, 46, 68, 74, 92, 136, 148, 184, 251, 272, 289, 296, 368, 391, 502, 578, 592, 629, 782, 851, 1004, 1156, 1258, 1564, 1702, 2008, 2312, 2516, 3128, 3404, 4016, 4267, 4624, 5032, 5773, 6256, 6647, 6808, 8534, 9287, 10064, 10693, 11546, 13294, 13616, 14467, 17068, 18574, 21386, 23092, 26588, 28934, 34136, 37148, 42772, 46184, 53176, 57868, 68272, 72539, 74296, 85544, 92368, 98141, 106352, 115736, 145078, 148592, 157879, 171088, 196282, 213601, 231472, 245939, 290156, 315758, 392564, 427202, 491878, 580312, 631516, 785128, 854404, 983756, 1160624, 1263032, 1570256, 1668397, 1708808, 1967512, 2526064, 2683943, 3336794, 3417616, 3631217, 3935024, 5367886, 6673588, 7262434, 10735772, 13347176, 14524868, 21471544, 26694352, 29049736, 42943088, 58099472, 61730689, 123461378, 246922756, 493845512, 987691024]

約数ペア:

[(1, 987691024), (2, 493845512), (4, 246922756), (8, 123461378), (16, 61730689), (17, 58099472), (23, 42943088), (34, 29049736), (37, 26694352), (46, 21471544), (68, 14524868), (74, 13347176), (92, 10735772), (136, 7262434), (148, 6673588), (184, 5367886), (251, 3935024), (272, 3631217), (289, 3417616), (296, 3336794), (368, 2683943), (391, 2526064), (502, 1967512), (578, 1708808), (592, 1668397), (629, 1570256), (782, 1263032), (851, 1160624), (1004, 983756), (1156, 854404), (1258, 785128), (1564, 631516), (1702, 580312), (2008, 491878), (2312, 427202), (2516, 392564), (3128, 315758), (3404, 290156), (4016, 245939), (4267, 231472), (4624, 213601), (5032, 196282), (5773, 171088), (6256, 157879), (6647, 148592), (6808, 145078), (8534, 115736), (9287, 106352), (10064, 98141), (10693, 92368), (11546, 85544), (13294, 74296), (13616, 72539), (14467, 68272), (17068, 57868), (18574, 53176), (21386, 46184), (23092, 42772), (26588, 37148), (28934, 34136)]