1947643516

素因数分解:

$2^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{487}}^1\times {\mathrm{10987}}^1$

素因数の和:11498

約数の個数: 48

約数和(自身を含む): 4203920896

約数和(自身を除く): 2256277380

約数列:

[1, 2, 4, 7, 13, 14, 26, 28, 52, 91, 182, 364, 487, 974, 1948, 3409, 6331, 6818, 10987, 12662, 13636, 21974, 25324, 43948, 44317, 76909, 88634, 142831, 153818, 177268, 285662, 307636, 571324, 999817, 1999634, 3999268, 5350669, 10701338, 21402676, 37454683, 69558697, 74909366, 139117394, 149818732, 278234788, 486910879, 973821758, 1947643516]

約数ペア:

[(1, 1947643516), (2, 973821758), (4, 486910879), (7, 278234788), (13, 149818732), (14, 139117394), (26, 74909366), (28, 69558697), (52, 37454683), (91, 21402676), (182, 10701338), (364, 5350669), (487, 3999268), (974, 1999634), (1948, 999817), (3409, 571324), (6331, 307636), (6818, 285662), (10987, 177268), (12662, 153818), (13636, 142831), (21974, 88634), (25324, 76909), (43948, 44317)]