28291238305

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{109}}^1\times {\mathrm{397}}^1\times {\mathrm{11887}}^1$

素因数の和:12409

約数の個数: 32

約数和(自身を含む): 37472878080

約数和(自身を除く): 9181639775

約数列:

[1, 5, 11, 55, 109, 397, 545, 1199, 1985, 4367, 5995, 11887, 21835, 43273, 59435, 130757, 216365, 476003, 653785, 1295683, 2380015, 4719139, 6478415, 14252513, 23595695, 51910529, 71262565, 259552645, 514386151, 2571930755, 5658247661, 28291238305]

約数ペア:

[(1, 28291238305), (5, 5658247661), (11, 2571930755), (55, 514386151), (109, 259552645), (397, 71262565), (545, 51910529), (1199, 23595695), (1985, 14252513), (4367, 6478415), (5995, 4719139), (11887, 2380015), (21835, 1295683), (43273, 653785), (59435, 476003), (130757, 216365)]