438902128

素因数分解:

$2^4\times 7^1\times {\mathrm{19}}^1\times {\mathrm{206251}}^1$

素因数の和:206285

約数の個数: 40

約数和(自身を含む): 1023009920

約数和(自身を除く): 584107792

約数列:

[1, 2, 4, 7, 8, 14, 16, 19, 28, 38, 56, 76, 112, 133, 152, 266, 304, 532, 1064, 2128, 206251, 412502, 825004, 1443757, 1650008, 2887514, 3300016, 3918769, 5775028, 7837538, 11550056, 15675076, 23100112, 27431383, 31350152, 54862766, 62700304, 109725532, 219451064, 438902128]

約数ペア:

[(1, 438902128), (2, 219451064), (4, 109725532), (7, 62700304), (8, 54862766), (14, 31350152), (16, 27431383), (19, 23100112), (28, 15675076), (38, 11550056), (56, 7837538), (76, 5775028), (112, 3918769), (133, 3300016), (152, 2887514), (266, 1650008), (304, 1443757), (532, 825004), (1064, 412502), (2128, 206251)]