257626548

素因数分解:

$2^2\times 3^3\times {\mathrm{19}}^1\times {\mathrm{223}}^1\times {\mathrm{563}}^1$

素因数の和:818

約数の個数: 96

約数和(自身を含む): 707481600

約数和(自身を除く): 449855052

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 19, 27, 36, 38, 54, 57, 76, 108, 114, 171, 223, 228, 342, 446, 513, 563, 669, 684, 892, 1026, 1126, 1338, 1689, 2007, 2052, 2252, 2676, 3378, 4014, 4237, 5067, 6021, 6756, 8028, 8474, 10134, 10697, 12042, 12711, 15201, 16948, 20268, 21394, 24084, 25422, 30402, 32091, 38133, 42788, 50844, 60804, 64182, 76266, 96273, 114399, 125549, 128364, 152532, 192546, 228798, 251098, 288819, 376647, 385092, 457596, 502196, 577638, 753294, 1129941, 1155276, 1506588, 2259882, 2385431, 3389823, 4519764, 4770862, 6779646, 7156293, 9541724, 13559292, 14312586, 21468879, 28625172, 42937758, 64406637, 85875516, 128813274, 257626548]

約数ペア:

[(1, 257626548), (2, 128813274), (3, 85875516), (4, 64406637), (6, 42937758), (9, 28625172), (12, 21468879), (18, 14312586), (19, 13559292), (27, 9541724), (36, 7156293), (38, 6779646), (54, 4770862), (57, 4519764), (76, 3389823), (108, 2385431), (114, 2259882), (171, 1506588), (223, 1155276), (228, 1129941), (342, 753294), (446, 577638), (513, 502196), (563, 457596), (669, 385092), (684, 376647), (892, 288819), (1026, 251098), (1126, 228798), (1338, 192546), (1689, 152532), (2007, 128364), (2052, 125549), (2252, 114399), (2676, 96273), (3378, 76266), (4014, 64182), (4237, 60804), (5067, 50844), (6021, 42788), (6756, 38133), (8028, 32091), (8474, 30402), (10134, 25422), (10697, 24084), (12042, 21394), (12711, 20268), (15201, 16948)]