401491872

素因数分解:

$2^5\times 3^2\times {\mathrm{67}}^1\times {\mathrm{20807}}^1$

素因数の和:20890

約数の個数: 72

約数和(自身を含む): 1158839136

約数和(自身を除く): 757347264

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 32, 36, 48, 67, 72, 96, 134, 144, 201, 268, 288, 402, 536, 603, 804, 1072, 1206, 1608, 2144, 2412, 3216, 4824, 6432, 9648, 19296, 20807, 41614, 62421, 83228, 124842, 166456, 187263, 249684, 332912, 374526, 499368, 665824, 749052, 998736, 1394069, 1498104, 1997472, 2788138, 2996208, 4182207, 5576276, 5992416, 8364414, 11152552, 12546621, 16728828, 22305104, 25093242, 33457656, 44610208, 50186484, 66915312, 100372968, 133830624, 200745936, 401491872]

約数ペア:

[(1, 401491872), (2, 200745936), (3, 133830624), (4, 100372968), (6, 66915312), (8, 50186484), (9, 44610208), (12, 33457656), (16, 25093242), (18, 22305104), (24, 16728828), (32, 12546621), (36, 11152552), (48, 8364414), (67, 5992416), (72, 5576276), (96, 4182207), (134, 2996208), (144, 2788138), (201, 1997472), (268, 1498104), (288, 1394069), (402, 998736), (536, 749052), (603, 665824), (804, 499368), (1072, 374526), (1206, 332912), (1608, 249684), (2144, 187263), (2412, 166456), (3216, 124842), (4824, 83228), (6432, 62421), (9648, 41614), (19296, 20807)]