221993712

素因数分解:

$2^4\times 3^2\times {\mathrm{71}}^1\times {\mathrm{21713}}^1$

素因数の和:21798

約数の個数: 60

約数和(自身を含む): 630053424

約数和(自身を除く): 408059712

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 36, 48, 71, 72, 142, 144, 213, 284, 426, 568, 639, 852, 1136, 1278, 1704, 2556, 3408, 5112, 10224, 21713, 43426, 65139, 86852, 130278, 173704, 195417, 260556, 347408, 390834, 521112, 781668, 1042224, 1541623, 1563336, 3083246, 3126672, 4624869, 6166492, 9249738, 12332984, 13874607, 18499476, 24665968, 27749214, 36998952, 55498428, 73997904, 110996856, 221993712]

約数ペア:

[(1, 221993712), (2, 110996856), (3, 73997904), (4, 55498428), (6, 36998952), (8, 27749214), (9, 24665968), (12, 18499476), (16, 13874607), (18, 12332984), (24, 9249738), (36, 6166492), (48, 4624869), (71, 3126672), (72, 3083246), (142, 1563336), (144, 1541623), (213, 1042224), (284, 781668), (426, 521112), (568, 390834), (639, 347408), (852, 260556), (1136, 195417), (1278, 173704), (1704, 130278), (2556, 86852), (3408, 65139), (5112, 43426), (10224, 21713)]