679968016

素因数分解:

$2^4\times 7^1\times {\mathrm{13}}^1\times {\mathrm{179}}^1\times {\mathrm{2609}}^1$

素因数の和:2816

約数の個数: 80

約数和(自身を含む): 1631145600

約数和(自身を除く): 951177584

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 52, 56, 91, 104, 112, 179, 182, 208, 358, 364, 716, 728, 1253, 1432, 1456, 2327, 2506, 2609, 2864, 4654, 5012, 5218, 9308, 10024, 10436, 16289, 18263, 18616, 20048, 20872, 32578, 33917, 36526, 37232, 41744, 65156, 67834, 73052, 130312, 135668, 146104, 237419, 260624, 271336, 292208, 467011, 474838, 542672, 934022, 949676, 1868044, 1899352, 3269077, 3736088, 3798704, 6071143, 6538154, 7472176, 12142286, 13076308, 24284572, 26152616, 42498001, 48569144, 52305232, 84996002, 97138288, 169992004, 339984008, 679968016]

約数ペア:

[(1, 679968016), (2, 339984008), (4, 169992004), (7, 97138288), (8, 84996002), (13, 52305232), (14, 48569144), (16, 42498001), (26, 26152616), (28, 24284572), (52, 13076308), (56, 12142286), (91, 7472176), (104, 6538154), (112, 6071143), (179, 3798704), (182, 3736088), (208, 3269077), (358, 1899352), (364, 1868044), (716, 949676), (728, 934022), (1253, 542672), (1432, 474838), (1456, 467011), (2327, 292208), (2506, 271336), (2609, 260624), (2864, 237419), (4654, 146104), (5012, 135668), (5218, 130312), (9308, 73052), (10024, 67834), (10436, 65156), (16289, 41744), (18263, 37232), (18616, 36526), (20048, 33917), (20872, 32578)]