1994609864

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{181}}^1\times {\mathrm{271}}^1$

素因数の和:511

約数の個数: 128

約数和(自身を含む): 4491002880

約数和(自身を除く): 2496393016

約数列:

[1, 2, 4, 8, 13, 17, 23, 26, 34, 46, 52, 68, 92, 104, 136, 181, 184, 221, 271, 299, 362, 391, 442, 542, 598, 724, 782, 884, 1084, 1196, 1448, 1564, 1768, 2168, 2353, 2392, 3077, 3128, 3523, 4163, 4607, 4706, 5083, 6154, 6233, 7046, 8326, 9214, 9412, 10166, 12308, 12466, 14092, 16652, 18428, 18824, 20332, 24616, 24932, 28184, 33304, 36856, 40001, 40664, 49051, 49864, 54119, 59891, 70771, 80002, 81029, 98102, 105961, 108238, 119782, 141542, 160004, 162058, 196204, 211922, 216476, 239564, 283084, 320008, 324116, 392408, 423844, 432952, 479128, 566168, 637663, 648232, 833867, 847688, 920023, 1128173, 1275326, 1377493, 1667734, 1840046, 2256346, 2550652, 2754986, 3335468, 3680092, 4512692, 5101304, 5509972, 6670936, 7360184, 9025384, 10840271, 11019944, 14666249, 19178941, 21680542, 29332498, 38357882, 43361084, 58664996, 76715764, 86722168, 117329992, 153431528, 249326233, 498652466, 997304932, 1994609864]

約数ペア:

[(1, 1994609864), (2, 997304932), (4, 498652466), (8, 249326233), (13, 153431528), (17, 117329992), (23, 86722168), (26, 76715764), (34, 58664996), (46, 43361084), (52, 38357882), (68, 29332498), (92, 21680542), (104, 19178941), (136, 14666249), (181, 11019944), (184, 10840271), (221, 9025384), (271, 7360184), (299, 6670936), (362, 5509972), (391, 5101304), (442, 4512692), (542, 3680092), (598, 3335468), (724, 2754986), (782, 2550652), (884, 2256346), (1084, 1840046), (1196, 1667734), (1448, 1377493), (1564, 1275326), (1768, 1128173), (2168, 920023), (2353, 847688), (2392, 833867), (3077, 648232), (3128, 637663), (3523, 566168), (4163, 479128), (4607, 432952), (4706, 423844), (5083, 392408), (6154, 324116), (6233, 320008), (7046, 283084), (8326, 239564), (9214, 216476), (9412, 211922), (10166, 196204), (12308, 162058), (12466, 160004), (14092, 141542), (16652, 119782), (18428, 108238), (18824, 105961), (20332, 98102), (24616, 81029), (24932, 80002), (28184, 70771), (33304, 59891), (36856, 54119), (40001, 49864), (40664, 49051)]