256728684

素因数分解:

$2^2\times 3^1\times {\mathrm{19}}^1\times {\mathrm{137}}^1\times {\mathrm{8219}}^1$

素因数の和:8382

約数の個数: 48

約数和(自身を含む): 635241600

約数和(自身を除く): 378512916

約数列:

[1, 2, 3, 4, 6, 12, 19, 38, 57, 76, 114, 137, 228, 274, 411, 548, 822, 1644, 2603, 5206, 7809, 8219, 10412, 15618, 16438, 24657, 31236, 32876, 49314, 98628, 156161, 312322, 468483, 624644, 936966, 1126003, 1873932, 2252006, 3378009, 4504012, 6756018, 13512036, 21394057, 42788114, 64182171, 85576228, 128364342, 256728684]

約数ペア:

[(1, 256728684), (2, 128364342), (3, 85576228), (4, 64182171), (6, 42788114), (12, 21394057), (19, 13512036), (38, 6756018), (57, 4504012), (76, 3378009), (114, 2252006), (137, 1873932), (228, 1126003), (274, 936966), (411, 624644), (548, 468483), (822, 312322), (1644, 156161), (2603, 98628), (5206, 49314), (7809, 32876), (8219, 31236), (10412, 24657), (15618, 16438)]