312125008

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{78979}}^1$

素因数の和:79019

約数の個数: 40

約数和(自身を含む): 685546400

約数和(自身を除く): 373421392

約数列:

[1, 2, 4, 8, 13, 16, 19, 26, 38, 52, 76, 104, 152, 208, 247, 304, 494, 988, 1976, 3952, 78979, 157958, 315916, 631832, 1026727, 1263664, 1500601, 2053454, 3001202, 4106908, 6002404, 8213816, 12004808, 16427632, 19507813, 24009616, 39015626, 78031252, 156062504, 312125008]

約数ペア:

[(1, 312125008), (2, 156062504), (4, 78031252), (8, 39015626), (13, 24009616), (16, 19507813), (19, 16427632), (26, 12004808), (38, 8213816), (52, 6002404), (76, 4106908), (104, 3001202), (152, 2053454), (208, 1500601), (247, 1263664), (304, 1026727), (494, 631832), (988, 315916), (1976, 157958), (3952, 78979)]