664210664

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{67}}^1\times {\mathrm{173}}^1$

素因数の和:307

約数の個数: 128

約数和(自身を含む): 1490832000

約数和(自身を除く): 826621336

約数列:

[1, 2, 4, 8, 13, 19, 26, 29, 38, 52, 58, 67, 76, 104, 116, 134, 152, 173, 232, 247, 268, 346, 377, 494, 536, 551, 692, 754, 871, 988, 1102, 1273, 1384, 1508, 1742, 1943, 1976, 2204, 2249, 2546, 3016, 3287, 3484, 3886, 4408, 4498, 5017, 5092, 6574, 6968, 7163, 7772, 8996, 10034, 10184, 11591, 13148, 14326, 15544, 16549, 17992, 20068, 23182, 25259, 26296, 28652, 33098, 36917, 40136, 42731, 46364, 50518, 57304, 65221, 66196, 73834, 85462, 92728, 95323, 101036, 130442, 132392, 147668, 150683, 170924, 190646, 202072, 220229, 260884, 295336, 301366, 336139, 341848, 381292, 440458, 479921, 521768, 602732, 672278, 762584, 880916, 959842, 1205464, 1239199, 1344556, 1761832, 1919684, 2478398, 2689112, 2862977, 3839368, 4369807, 4956796, 5725954, 6386641, 8739614, 9913592, 11451908, 12773282, 17479228, 22903816, 25546564, 34958456, 51093128, 83026333, 166052666, 332105332, 664210664]

約数ペア:

[(1, 664210664), (2, 332105332), (4, 166052666), (8, 83026333), (13, 51093128), (19, 34958456), (26, 25546564), (29, 22903816), (38, 17479228), (52, 12773282), (58, 11451908), (67, 9913592), (76, 8739614), (104, 6386641), (116, 5725954), (134, 4956796), (152, 4369807), (173, 3839368), (232, 2862977), (247, 2689112), (268, 2478398), (346, 1919684), (377, 1761832), (494, 1344556), (536, 1239199), (551, 1205464), (692, 959842), (754, 880916), (871, 762584), (988, 672278), (1102, 602732), (1273, 521768), (1384, 479921), (1508, 440458), (1742, 381292), (1943, 341848), (1976, 336139), (2204, 301366), (2249, 295336), (2546, 260884), (3016, 220229), (3287, 202072), (3484, 190646), (3886, 170924), (4408, 150683), (4498, 147668), (5017, 132392), (5092, 130442), (6574, 101036), (6968, 95323), (7163, 92728), (7772, 85462), (8996, 73834), (10034, 66196), (10184, 65221), (11591, 57304), (13148, 50518), (14326, 46364), (15544, 42731), (16549, 40136), (17992, 36917), (20068, 33098), (23182, 28652), (25259, 26296)]