649572

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1$

素因数の和:81

約数の個数: 96

約数和(自身を含む): 2042880

約数和(自身を除く): 1393308

約数列:

[1, 2, 3, 4, 6, 7, 11, 12, 14, 19, 21, 22, 28, 33, 37, 38, 42, 44, 57, 66, 74, 76, 77, 84, 111, 114, 132, 133, 148, 154, 209, 222, 228, 231, 259, 266, 308, 399, 407, 418, 444, 462, 518, 532, 627, 703, 777, 798, 814, 836, 924, 1036, 1221, 1254, 1406, 1463, 1554, 1596, 1628, 2109, 2442, 2508, 2812, 2849, 2926, 3108, 4218, 4389, 4884, 4921, 5698, 5852, 7733, 8436, 8547, 8778, 9842, 11396, 14763, 15466, 17094, 17556, 19684, 23199, 29526, 30932, 34188, 46398, 54131, 59052, 92796, 108262, 162393, 216524, 324786, 649572]

約数ペア:

[(1, 649572), (2, 324786), (3, 216524), (4, 162393), (6, 108262), (7, 92796), (11, 59052), (12, 54131), (14, 46398), (19, 34188), (21, 30932), (22, 29526), (28, 23199), (33, 19684), (37, 17556), (38, 17094), (42, 15466), (44, 14763), (57, 11396), (66, 9842), (74, 8778), (76, 8547), (77, 8436), (84, 7733), (111, 5852), (114, 5698), (132, 4921), (133, 4884), (148, 4389), (154, 4218), (209, 3108), (222, 2926), (228, 2849), (231, 2812), (259, 2508), (266, 2442), (308, 2109), (399, 1628), (407, 1596), (418, 1554), (444, 1463), (462, 1406), (518, 1254), (532, 1221), (627, 1036), (703, 924), (777, 836), (798, 814)]