678702921712

素因数分解:

$2^4\times {\mathrm{47}}^1\times {\mathrm{53}}^1\times {\mathrm{197}}^1\times {\mathrm{86441}}^1$

素因数の和:86746

約数の個数: 80

約数和(自身を含む): 1375265941632

約数和(自身を除く): 696563019920

約数列:

[1, 2, 4, 8, 16, 47, 53, 94, 106, 188, 197, 212, 376, 394, 424, 752, 788, 848, 1576, 2491, 3152, 4982, 9259, 9964, 10441, 18518, 19928, 20882, 37036, 39856, 41764, 74072, 83528, 86441, 148144, 167056, 172882, 345764, 490727, 691528, 981454, 1383056, 1962908, 3925816, 4062727, 4581373, 7851632, 8125454, 9162746, 16250908, 17028877, 18325492, 32501816, 34057754, 36650984, 65003632, 68115508, 73301968, 136231016, 215324531, 272462032, 430649062, 800357219, 861298124, 902530481, 1600714438, 1722596248, 1805060962, 3201428876, 3445192496, 3610121924, 6402857752, 7220243848, 12805715504, 14440487696, 42418932607, 84837865214, 169675730428, 339351460856, 678702921712]

約数ペア:

[(1, 678702921712), (2, 339351460856), (4, 169675730428), (8, 84837865214), (16, 42418932607), (47, 14440487696), (53, 12805715504), (94, 7220243848), (106, 6402857752), (188, 3610121924), (197, 3445192496), (212, 3201428876), (376, 1805060962), (394, 1722596248), (424, 1600714438), (752, 902530481), (788, 861298124), (848, 800357219), (1576, 430649062), (2491, 272462032), (3152, 215324531), (4982, 136231016), (9259, 73301968), (9964, 68115508), (10441, 65003632), (18518, 36650984), (19928, 34057754), (20882, 32501816), (37036, 18325492), (39856, 17028877), (41764, 16250908), (74072, 9162746), (83528, 8125454), (86441, 7851632), (148144, 4581373), (167056, 4062727), (172882, 3925816), (345764, 1962908), (490727, 1383056), (691528, 981454)]