127871128

素因数分解:

$2^3\times 7^1\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{61}}^1\times {\mathrm{83}}^1$

素因数の和:209

約数の個数: 128

約数和(自身を含む): 314979840

約数和(自身を除く): 187108712

約数列:

[1, 2, 4, 7, 8, 11, 14, 22, 28, 41, 44, 56, 61, 77, 82, 83, 88, 122, 154, 164, 166, 244, 287, 308, 328, 332, 427, 451, 488, 574, 581, 616, 664, 671, 854, 902, 913, 1148, 1162, 1342, 1708, 1804, 1826, 2296, 2324, 2501, 2684, 3157, 3403, 3416, 3608, 3652, 4648, 4697, 5002, 5063, 5368, 6314, 6391, 6806, 7304, 9394, 10004, 10126, 12628, 12782, 13612, 17507, 18788, 20008, 20252, 23821, 25256, 25564, 27224, 27511, 35014, 35441, 37433, 37576, 40504, 47642, 51128, 55022, 55693, 70028, 70882, 74866, 95284, 110044, 111386, 140056, 141764, 149732, 190568, 192577, 207583, 220088, 222772, 262031, 283528, 299464, 385154, 389851, 415166, 445544, 524062, 770308, 779702, 830332, 1048124, 1453081, 1540616, 1559404, 1660664, 2096248, 2283413, 2906162, 3118808, 4566826, 5812324, 9133652, 11624648, 15983891, 18267304, 31967782, 63935564, 127871128]

約数ペア:

[(1, 127871128), (2, 63935564), (4, 31967782), (7, 18267304), (8, 15983891), (11, 11624648), (14, 9133652), (22, 5812324), (28, 4566826), (41, 3118808), (44, 2906162), (56, 2283413), (61, 2096248), (77, 1660664), (82, 1559404), (83, 1540616), (88, 1453081), (122, 1048124), (154, 830332), (164, 779702), (166, 770308), (244, 524062), (287, 445544), (308, 415166), (328, 389851), (332, 385154), (427, 299464), (451, 283528), (488, 262031), (574, 222772), (581, 220088), (616, 207583), (664, 192577), (671, 190568), (854, 149732), (902, 141764), (913, 140056), (1148, 111386), (1162, 110044), (1342, 95284), (1708, 74866), (1804, 70882), (1826, 70028), (2296, 55693), (2324, 55022), (2501, 51128), (2684, 47642), (3157, 40504), (3403, 37576), (3416, 37433), (3608, 35441), (3652, 35014), (4648, 27511), (4697, 27224), (5002, 25564), (5063, 25256), (5368, 23821), (6314, 20252), (6391, 20008), (6806, 18788), (7304, 17507), (9394, 13612), (10004, 12782), (10126, 12628)]