2806979968

素因数分解:

$2^7\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{131}}^1\times {\mathrm{163}}^1$

素因数の和:400

約数の個数: 128

約数和(自身を含む): 6182668800

約数和(自身を除く): 3375688832

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 64, 79, 104, 128, 131, 158, 163, 208, 262, 316, 326, 416, 524, 632, 652, 832, 1027, 1048, 1264, 1304, 1664, 1703, 2054, 2096, 2119, 2528, 2608, 3406, 4108, 4192, 4238, 5056, 5216, 6812, 8216, 8384, 8476, 10112, 10349, 10432, 12877, 13624, 16432, 16768, 16952, 20698, 20864, 21353, 25754, 27248, 32864, 33904, 41396, 42706, 51508, 54496, 65728, 67808, 82792, 85412, 103016, 108992, 131456, 134537, 135616, 165584, 167401, 170824, 206032, 217984, 269074, 271232, 277589, 331168, 334802, 341648, 412064, 538148, 555178, 662336, 669604, 683296, 824128, 1076296, 1110356, 1324672, 1339208, 1366592, 1648256, 1686887, 2152592, 2220712, 2678416, 2733184, 3373774, 4305184, 4441424, 5356832, 6747548, 8610368, 8882848, 10713664, 13495096, 17220736, 17765696, 21427328, 21929531, 26990192, 35531392, 43859062, 53980384, 87718124, 107960768, 175436248, 215921536, 350872496, 701744992, 1403489984, 2806979968]

約数ペア:

[(1, 2806979968), (2, 1403489984), (4, 701744992), (8, 350872496), (13, 215921536), (16, 175436248), (26, 107960768), (32, 87718124), (52, 53980384), (64, 43859062), (79, 35531392), (104, 26990192), (128, 21929531), (131, 21427328), (158, 17765696), (163, 17220736), (208, 13495096), (262, 10713664), (316, 8882848), (326, 8610368), (416, 6747548), (524, 5356832), (632, 4441424), (652, 4305184), (832, 3373774), (1027, 2733184), (1048, 2678416), (1264, 2220712), (1304, 2152592), (1664, 1686887), (1703, 1648256), (2054, 1366592), (2096, 1339208), (2119, 1324672), (2528, 1110356), (2608, 1076296), (3406, 824128), (4108, 683296), (4192, 669604), (4238, 662336), (5056, 555178), (5216, 538148), (6812, 412064), (8216, 341648), (8384, 334802), (8476, 331168), (10112, 277589), (10349, 271232), (10432, 269074), (12877, 217984), (13624, 206032), (16432, 170824), (16768, 167401), (16952, 165584), (20698, 135616), (20864, 134537), (21353, 131456), (25754, 108992), (27248, 103016), (32864, 85412), (33904, 82792), (41396, 67808), (42706, 65728), (51508, 54496)]