257444208

素因数分解:

$2^4\times 3^2\times 7^1\times {\mathrm{97}}^1\times {\mathrm{2633}}^1$

素因数の和:2751

約数の個数: 120

約数和(自身を含む): 832217568

約数和(自身を除く): 574773360

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 18, 21, 24, 28, 36, 42, 48, 56, 63, 72, 84, 97, 112, 126, 144, 168, 194, 252, 291, 336, 388, 504, 582, 679, 776, 873, 1008, 1164, 1358, 1552, 1746, 2037, 2328, 2633, 2716, 3492, 4074, 4656, 5266, 5432, 6111, 6984, 7899, 8148, 10532, 10864, 12222, 13968, 15798, 16296, 18431, 21064, 23697, 24444, 31596, 32592, 36862, 42128, 47394, 48888, 55293, 63192, 73724, 94788, 97776, 110586, 126384, 147448, 165879, 189576, 221172, 255401, 294896, 331758, 379152, 442344, 510802, 663516, 766203, 884688, 1021604, 1327032, 1532406, 1787807, 2043208, 2298609, 2654064, 3064812, 3575614, 4086416, 4597218, 5363421, 6129624, 7151228, 9194436, 10726842, 12259248, 14302456, 16090263, 18388872, 21453684, 28604912, 32180526, 36777744, 42907368, 64361052, 85814736, 128722104, 257444208]

約数ペア:

[(1, 257444208), (2, 128722104), (3, 85814736), (4, 64361052), (6, 42907368), (7, 36777744), (8, 32180526), (9, 28604912), (12, 21453684), (14, 18388872), (16, 16090263), (18, 14302456), (21, 12259248), (24, 10726842), (28, 9194436), (36, 7151228), (42, 6129624), (48, 5363421), (56, 4597218), (63, 4086416), (72, 3575614), (84, 3064812), (97, 2654064), (112, 2298609), (126, 2043208), (144, 1787807), (168, 1532406), (194, 1327032), (252, 1021604), (291, 884688), (336, 766203), (388, 663516), (504, 510802), (582, 442344), (679, 379152), (776, 331758), (873, 294896), (1008, 255401), (1164, 221172), (1358, 189576), (1552, 165879), (1746, 147448), (2037, 126384), (2328, 110586), (2633, 97776), (2716, 94788), (3492, 73724), (4074, 63192), (4656, 55293), (5266, 48888), (5432, 47394), (6111, 42128), (6984, 36862), (7899, 32592), (8148, 31596), (10532, 24444), (10864, 23697), (12222, 21064), (13968, 18431), (15798, 16296)]