661126872

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{83}}^1\times {\mathrm{2789}}^1$

素因数の和:2905

約数の個数: 128

約数和(自身を含む): 2024870400

約数和(自身を除く): 1363743528

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 17, 21, 24, 28, 34, 42, 51, 56, 68, 83, 84, 102, 119, 136, 166, 168, 204, 238, 249, 332, 357, 408, 476, 498, 581, 664, 714, 952, 996, 1162, 1411, 1428, 1743, 1992, 2324, 2789, 2822, 2856, 3486, 4233, 4648, 5578, 5644, 6972, 8367, 8466, 9877, 11156, 11288, 13944, 16734, 16932, 19523, 19754, 22312, 29631, 33468, 33864, 39046, 39508, 47413, 58569, 59262, 66936, 78092, 79016, 94826, 117138, 118524, 142239, 156184, 189652, 231487, 234276, 237048, 284478, 331891, 379304, 462974, 468552, 568956, 663782, 694461, 925948, 995673, 1137912, 1327564, 1388922, 1620409, 1851896, 1991346, 2655128, 2777844, 3240818, 3935279, 3982692, 4861227, 5555688, 6481636, 7870558, 7965384, 9722454, 11805837, 12963272, 15741116, 19444908, 23611674, 27546953, 31482232, 38889816, 47223348, 55093906, 82640859, 94446696, 110187812, 165281718, 220375624, 330563436, 661126872]

約数ペア:

[(1, 661126872), (2, 330563436), (3, 220375624), (4, 165281718), (6, 110187812), (7, 94446696), (8, 82640859), (12, 55093906), (14, 47223348), (17, 38889816), (21, 31482232), (24, 27546953), (28, 23611674), (34, 19444908), (42, 15741116), (51, 12963272), (56, 11805837), (68, 9722454), (83, 7965384), (84, 7870558), (102, 6481636), (119, 5555688), (136, 4861227), (166, 3982692), (168, 3935279), (204, 3240818), (238, 2777844), (249, 2655128), (332, 1991346), (357, 1851896), (408, 1620409), (476, 1388922), (498, 1327564), (581, 1137912), (664, 995673), (714, 925948), (952, 694461), (996, 663782), (1162, 568956), (1411, 468552), (1428, 462974), (1743, 379304), (1992, 331891), (2324, 284478), (2789, 237048), (2822, 234276), (2856, 231487), (3486, 189652), (4233, 156184), (4648, 142239), (5578, 118524), (5644, 117138), (6972, 94826), (8367, 79016), (8466, 78092), (9877, 66936), (11156, 59262), (11288, 58569), (13944, 47413), (16734, 39508), (16932, 39046), (19523, 33864), (19754, 33468), (22312, 29631)]