1338851668

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{61}}^1\times {\mathrm{71261}}^1$

素因数の和:71344

約数の個数: 48

約数和(自身を含む): 2969059968

約数和(自身を除く): 1630208300

約数列:

[1, 2, 4, 7, 11, 14, 22, 28, 44, 61, 77, 122, 154, 244, 308, 427, 671, 854, 1342, 1708, 2684, 4697, 9394, 18788, 71261, 142522, 285044, 498827, 783871, 997654, 1567742, 1995308, 3135484, 4346921, 5487097, 8693842, 10974194, 17387684, 21948388, 30428447, 47816131, 60856894, 95632262, 121713788, 191264524, 334712917, 669425834, 1338851668]

約数ペア:

[(1, 1338851668), (2, 669425834), (4, 334712917), (7, 191264524), (11, 121713788), (14, 95632262), (22, 60856894), (28, 47816131), (44, 30428447), (61, 21948388), (77, 17387684), (122, 10974194), (154, 8693842), (244, 5487097), (308, 4346921), (427, 3135484), (671, 1995308), (854, 1567742), (1342, 997654), (1708, 783871), (2684, 498827), (4697, 285044), (9394, 142522), (18788, 71261)]