642677808

素因数分解:

$2^4\times 3^1\times {\mathrm{13389121}}^1$

素因数の和:13389132

約数の個数: 20

約数和(自身を含む): 1660251128

約数和(自身を除く): 1017573320

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 48, 13389121, 26778242, 40167363, 53556484, 80334726, 107112968, 160669452, 214225936, 321338904, 642677808]

約数ペア:

[(1, 642677808), (2, 321338904), (3, 214225936), (4, 160669452), (6, 107112968), (8, 80334726), (12, 53556484), (16, 40167363), (24, 26778242), (48, 13389121)]