654433312

素因数分解:

$2^5\times {\mathrm{13}}^1\times {\mathrm{31}}^2\times {\mathrm{1637}}^1$

素因数の和:1722

約数の個数: 72

約数和(自身を含む): 1434602988

約数和(自身を除く): 780169676

約数列:

[1, 2, 4, 8, 13, 16, 26, 31, 32, 52, 62, 104, 124, 208, 248, 403, 416, 496, 806, 961, 992, 1612, 1637, 1922, 3224, 3274, 3844, 6448, 6548, 7688, 12493, 12896, 13096, 15376, 21281, 24986, 26192, 30752, 42562, 49972, 50747, 52384, 85124, 99944, 101494, 170248, 199888, 202988, 340496, 399776, 405976, 659711, 680992, 811952, 1319422, 1573157, 1623904, 2638844, 3146314, 5277688, 6292628, 10555376, 12585256, 20451041, 21110752, 25170512, 40902082, 50341024, 81804164, 163608328, 327216656, 654433312]

約数ペア:

[(1, 654433312), (2, 327216656), (4, 163608328), (8, 81804164), (13, 50341024), (16, 40902082), (26, 25170512), (31, 21110752), (32, 20451041), (52, 12585256), (62, 10555376), (104, 6292628), (124, 5277688), (208, 3146314), (248, 2638844), (403, 1623904), (416, 1573157), (496, 1319422), (806, 811952), (961, 680992), (992, 659711), (1612, 405976), (1637, 399776), (1922, 340496), (3224, 202988), (3274, 199888), (3844, 170248), (6448, 101494), (6548, 99944), (7688, 85124), (12493, 52384), (12896, 50747), (13096, 49972), (15376, 42562), (21281, 30752), (24986, 26192)]