16531278405

素因数分解:

$3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{227}}^1\times {\mathrm{4909}}^1$

素因数の和:5210

約数の個数: 64

約数和(自身を含む): 28372101120

約数和(自身を除く): 11840822715

約数列:

[1, 3, 5, 15, 23, 43, 69, 115, 129, 215, 227, 345, 645, 681, 989, 1135, 2967, 3405, 4909, 4945, 5221, 9761, 14727, 14835, 15663, 24545, 26105, 29283, 48805, 73635, 78315, 112907, 146415, 211087, 224503, 338721, 564535, 633261, 673509, 1055435, 1114343, 1122515, 1693605, 3166305, 3343029, 3367545, 4855001, 5571715, 14565003, 16715145, 24275005, 25629889, 47916749, 72825015, 76889667, 128149445, 143750247, 239583745, 384448335, 718751235, 1102085227, 3306255681, 5510426135, 16531278405]

約数ペア:

[(1, 16531278405), (3, 5510426135), (5, 3306255681), (15, 1102085227), (23, 718751235), (43, 384448335), (69, 239583745), (115, 143750247), (129, 128149445), (215, 76889667), (227, 72825015), (345, 47916749), (645, 25629889), (681, 24275005), (989, 16715145), (1135, 14565003), (2967, 5571715), (3405, 4855001), (4909, 3367545), (4945, 3343029), (5221, 3166305), (9761, 1693605), (14727, 1122515), (14835, 1114343), (15663, 1055435), (24545, 673509), (26105, 633261), (29283, 564535), (48805, 338721), (73635, 224503), (78315, 211087), (112907, 146415)]