15920238964

素因数分解:

$2^2\times 7^2\times {\mathrm{61}}^2\times {\mathrm{83}}^1\times {\mathrm{263}}^1$

素因数の和:486

約数の個数: 108

約数和(自身を含む): 33472831392

約数和(自身を除く): 17552592428

約数列:

[1, 2, 4, 7, 14, 28, 49, 61, 83, 98, 122, 166, 196, 244, 263, 332, 427, 526, 581, 854, 1052, 1162, 1708, 1841, 2324, 2989, 3682, 3721, 4067, 5063, 5978, 7364, 7442, 8134, 10126, 11956, 12887, 14884, 16043, 16268, 20252, 21829, 25774, 26047, 32086, 35441, 43658, 51548, 52094, 64172, 70882, 87316, 104188, 112301, 141764, 152803, 182329, 224602, 248087, 305606, 308843, 364658, 449204, 496174, 611212, 617686, 729316, 786107, 978623, 992348, 1069621, 1235372, 1331569, 1572214, 1957246, 2139242, 2161901, 2663138, 3144428, 3914492, 4278484, 4323802, 5326276, 6850361, 8647604, 9320983, 13700722, 15133307, 18641966, 27401444, 30266614, 37283932, 47952527, 60533228, 65246881, 81225709, 95905054, 130493762, 162451418, 191810108, 260987524, 324902836, 568579963, 1137159926, 2274319852, 3980059741, 7960119482, 15920238964]

約数ペア:

[(1, 15920238964), (2, 7960119482), (4, 3980059741), (7, 2274319852), (14, 1137159926), (28, 568579963), (49, 324902836), (61, 260987524), (83, 191810108), (98, 162451418), (122, 130493762), (166, 95905054), (196, 81225709), (244, 65246881), (263, 60533228), (332, 47952527), (427, 37283932), (526, 30266614), (581, 27401444), (854, 18641966), (1052, 15133307), (1162, 13700722), (1708, 9320983), (1841, 8647604), (2324, 6850361), (2989, 5326276), (3682, 4323802), (3721, 4278484), (4067, 3914492), (5063, 3144428), (5978, 2663138), (7364, 2161901), (7442, 2139242), (8134, 1957246), (10126, 1572214), (11956, 1331569), (12887, 1235372), (14884, 1069621), (16043, 992348), (16268, 978623), (20252, 786107), (21829, 729316), (25774, 617686), (26047, 611212), (32086, 496174), (35441, 449204), (43658, 364658), (51548, 308843), (52094, 305606), (64172, 248087), (70882, 224602), (87316, 182329), (104188, 152803), (112301, 141764)]