16781889904

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{1381}}^1\times {\mathrm{1579}}^1$

素因数の和:3018

約数の個数: 80

約数和(自身を含む): 36011271520

約数和(自身を除く): 19229381616

約数列:

[1, 2, 4, 8, 13, 16, 26, 37, 52, 74, 104, 148, 208, 296, 481, 592, 962, 1381, 1579, 1924, 2762, 3158, 3848, 5524, 6316, 7696, 11048, 12632, 17953, 20527, 22096, 25264, 35906, 41054, 51097, 58423, 71812, 82108, 102194, 116846, 143624, 164216, 204388, 233692, 287248, 328432, 408776, 467384, 664261, 759499, 817552, 934768, 1328522, 1518998, 2180599, 2657044, 3037996, 4361198, 5314088, 6075992, 8722396, 10628176, 12151984, 17444792, 28347787, 34889584, 56695574, 80682163, 113391148, 161364326, 226782296, 322728652, 453564592, 645457304, 1048868119, 1290914608, 2097736238, 4195472476, 8390944952, 16781889904]

約数ペア:

[(1, 16781889904), (2, 8390944952), (4, 4195472476), (8, 2097736238), (13, 1290914608), (16, 1048868119), (26, 645457304), (37, 453564592), (52, 322728652), (74, 226782296), (104, 161364326), (148, 113391148), (208, 80682163), (296, 56695574), (481, 34889584), (592, 28347787), (962, 17444792), (1381, 12151984), (1579, 10628176), (1924, 8722396), (2762, 6075992), (3158, 5314088), (3848, 4361198), (5524, 3037996), (6316, 2657044), (7696, 2180599), (11048, 1518998), (12632, 1328522), (17953, 934768), (20527, 817552), (22096, 759499), (25264, 664261), (35906, 467384), (41054, 408776), (51097, 328432), (58423, 287248), (71812, 233692), (82108, 204388), (102194, 164216), (116846, 143624)]