981537788

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{127}}^1\times {\mathrm{1091}}^1$

素因数の和:1263

約数の個数: 96

約数和(自身を含む): 2254307328

約数和(自身を除く): 1272769540

約数列:

[1, 2, 4, 7, 11, 14, 22, 23, 28, 44, 46, 77, 92, 127, 154, 161, 253, 254, 308, 322, 506, 508, 644, 889, 1012, 1091, 1397, 1771, 1778, 2182, 2794, 2921, 3542, 3556, 4364, 5588, 5842, 7084, 7637, 9779, 11684, 12001, 15274, 19558, 20447, 24002, 25093, 30548, 32131, 39116, 40894, 48004, 50186, 64262, 81788, 84007, 100372, 128524, 138557, 168014, 175651, 224917, 276023, 277114, 336028, 351302, 449834, 552046, 554228, 702604, 899668, 969899, 1104092, 1524127, 1932161, 1939798, 3048254, 3186811, 3864322, 3879596, 6096508, 6373622, 7728644, 10668889, 12747244, 21337778, 22307677, 35054921, 42675556, 44615354, 70109842, 89230708, 140219684, 245384447, 490768894, 981537788]

約数ペア:

[(1, 981537788), (2, 490768894), (4, 245384447), (7, 140219684), (11, 89230708), (14, 70109842), (22, 44615354), (23, 42675556), (28, 35054921), (44, 22307677), (46, 21337778), (77, 12747244), (92, 10668889), (127, 7728644), (154, 6373622), (161, 6096508), (253, 3879596), (254, 3864322), (308, 3186811), (322, 3048254), (506, 1939798), (508, 1932161), (644, 1524127), (889, 1104092), (1012, 969899), (1091, 899668), (1397, 702604), (1771, 554228), (1778, 552046), (2182, 449834), (2794, 351302), (2921, 336028), (3542, 277114), (3556, 276023), (4364, 224917), (5588, 175651), (5842, 168014), (7084, 138557), (7637, 128524), (9779, 100372), (11684, 84007), (12001, 81788), (15274, 64262), (19558, 50186), (20447, 48004), (24002, 40894), (25093, 39116), (30548, 32131)]