644358064

素因数分解:

$2^4\times 7^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{8069}}^1$

素因数の和:8138

約数の個数: 80

約数和(自身を含む): 1537044480

約数和(自身を除く): 892686416

約数列:

[1, 2, 4, 7, 8, 14, 16, 23, 28, 31, 46, 56, 62, 92, 112, 124, 161, 184, 217, 248, 322, 368, 434, 496, 644, 713, 868, 1288, 1426, 1736, 2576, 2852, 3472, 4991, 5704, 8069, 9982, 11408, 16138, 19964, 32276, 39928, 56483, 64552, 79856, 112966, 129104, 185587, 225932, 250139, 371174, 451864, 500278, 742348, 903728, 1000556, 1299109, 1484696, 1750973, 2001112, 2598218, 2969392, 3501946, 4002224, 5196436, 5753197, 7003892, 10392872, 11506394, 14007784, 20785744, 23012788, 28015568, 40272379, 46025576, 80544758, 92051152, 161089516, 322179032, 644358064]

約数ペア:

[(1, 644358064), (2, 322179032), (4, 161089516), (7, 92051152), (8, 80544758), (14, 46025576), (16, 40272379), (23, 28015568), (28, 23012788), (31, 20785744), (46, 14007784), (56, 11506394), (62, 10392872), (92, 7003892), (112, 5753197), (124, 5196436), (161, 4002224), (184, 3501946), (217, 2969392), (248, 2598218), (322, 2001112), (368, 1750973), (434, 1484696), (496, 1299109), (644, 1000556), (713, 903728), (868, 742348), (1288, 500278), (1426, 451864), (1736, 371174), (2576, 250139), (2852, 225932), (3472, 185587), (4991, 129104), (5704, 112966), (8069, 79856), (9982, 64552), (11408, 56483), (16138, 39928), (19964, 32276)]