646951648

素因数分解:

$2^5\times 7^1\times {\mathrm{31}}^1\times {\mathrm{151}}^1\times {\mathrm{617}}^1$

素因数の和:816

約数の個数: 96

約数和(自身を含む): 1514999808

約数和(自身を除く): 868048160

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 31, 32, 56, 62, 112, 124, 151, 217, 224, 248, 302, 434, 496, 604, 617, 868, 992, 1057, 1208, 1234, 1736, 2114, 2416, 2468, 3472, 4228, 4319, 4681, 4832, 4936, 6944, 8456, 8638, 9362, 9872, 16912, 17276, 18724, 19127, 19744, 32767, 33824, 34552, 37448, 38254, 65534, 69104, 74896, 76508, 93167, 131068, 133889, 138208, 149792, 153016, 186334, 262136, 267778, 306032, 372668, 524272, 535556, 612064, 652169, 745336, 1048544, 1071112, 1304338, 1490672, 2142224, 2608676, 2888177, 2981344, 4284448, 5217352, 5776354, 10434704, 11552708, 20217239, 20869408, 23105416, 40434478, 46210832, 80868956, 92421664, 161737912, 323475824, 646951648]

約数ペア:

[(1, 646951648), (2, 323475824), (4, 161737912), (7, 92421664), (8, 80868956), (14, 46210832), (16, 40434478), (28, 23105416), (31, 20869408), (32, 20217239), (56, 11552708), (62, 10434704), (112, 5776354), (124, 5217352), (151, 4284448), (217, 2981344), (224, 2888177), (248, 2608676), (302, 2142224), (434, 1490672), (496, 1304338), (604, 1071112), (617, 1048544), (868, 745336), (992, 652169), (1057, 612064), (1208, 535556), (1234, 524272), (1736, 372668), (2114, 306032), (2416, 267778), (2468, 262136), (3472, 186334), (4228, 153016), (4319, 149792), (4681, 138208), (4832, 133889), (4936, 131068), (6944, 93167), (8456, 76508), (8638, 74896), (9362, 69104), (9872, 65534), (16912, 38254), (17276, 37448), (18724, 34552), (19127, 33824), (19744, 32767)]