889788536

素因数分解:

$2^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{89}}^1\times {\mathrm{443}}^1$

素因数の和:589

約数の個数: 128

約数和(自身を含む): 2148249600

約数和(自身を除く): 1258461064

約数列:

[1, 2, 4, 7, 8, 13, 14, 26, 28, 31, 52, 56, 62, 89, 91, 104, 124, 178, 182, 217, 248, 356, 364, 403, 434, 443, 623, 712, 728, 806, 868, 886, 1157, 1246, 1612, 1736, 1772, 2314, 2492, 2759, 2821, 3101, 3224, 3544, 4628, 4984, 5518, 5642, 5759, 6202, 8099, 9256, 11036, 11284, 11518, 12404, 13733, 16198, 19313, 22072, 22568, 23036, 24808, 27466, 32396, 35867, 38626, 39427, 40313, 46072, 54932, 64792, 71734, 77252, 78854, 80626, 96131, 109864, 143468, 154504, 157708, 161252, 178529, 192262, 251069, 275989, 286936, 315416, 322504, 357058, 384524, 502138, 512551, 551978, 714116, 769048, 1004276, 1025102, 1103956, 1222237, 1249703, 1428232, 2008552, 2050204, 2207912, 2444474, 2499406, 3587857, 4100408, 4888948, 4998812, 7175714, 8555659, 9777896, 9997624, 14351428, 15889081, 17111318, 28702856, 31778162, 34222636, 63556324, 68445272, 111223567, 127112648, 222447134, 444894268, 889788536]

約数ペア:

[(1, 889788536), (2, 444894268), (4, 222447134), (7, 127112648), (8, 111223567), (13, 68445272), (14, 63556324), (26, 34222636), (28, 31778162), (31, 28702856), (52, 17111318), (56, 15889081), (62, 14351428), (89, 9997624), (91, 9777896), (104, 8555659), (124, 7175714), (178, 4998812), (182, 4888948), (217, 4100408), (248, 3587857), (356, 2499406), (364, 2444474), (403, 2207912), (434, 2050204), (443, 2008552), (623, 1428232), (712, 1249703), (728, 1222237), (806, 1103956), (868, 1025102), (886, 1004276), (1157, 769048), (1246, 714116), (1612, 551978), (1736, 512551), (1772, 502138), (2314, 384524), (2492, 357058), (2759, 322504), (2821, 315416), (3101, 286936), (3224, 275989), (3544, 251069), (4628, 192262), (4984, 178529), (5518, 161252), (5642, 157708), (5759, 154504), (6202, 143468), (8099, 109864), (9256, 96131), (11036, 80626), (11284, 78854), (11518, 77252), (12404, 71734), (13733, 64792), (16198, 54932), (19313, 46072), (22072, 40313), (22568, 39427), (23036, 38626), (24808, 35867), (27466, 32396)]