840702928

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{331}}^1\times {\mathrm{12211}}^1$

素因数の和:12563

約数の個数: 40

約数和(自身を含む): 1759602656

約数和(自身を除く): 918899728

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 331, 662, 1324, 2648, 4303, 5296, 8606, 12211, 17212, 24422, 34424, 48844, 68848, 97688, 158743, 195376, 317486, 634972, 1269944, 2539888, 4041841, 8083682, 16167364, 32334728, 52543933, 64669456, 105087866, 210175732, 420351464, 840702928]

約数ペア:

[(1, 840702928), (2, 420351464), (4, 210175732), (8, 105087866), (13, 64669456), (16, 52543933), (26, 32334728), (52, 16167364), (104, 8083682), (208, 4041841), (331, 2539888), (662, 1269944), (1324, 634972), (2648, 317486), (4303, 195376), (5296, 158743), (8606, 97688), (12211, 68848), (17212, 48844), (24422, 34424)]