217423908

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^3\times {\mathrm{2749}}^1$

素因数の和:2798

約数の個数: 72

約数和(自身を含む): 595595000

約数和(自身を除く): 378171092

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 36, 39, 52, 78, 117, 156, 169, 234, 338, 468, 507, 676, 1014, 1521, 2028, 2197, 2749, 3042, 4394, 5498, 6084, 6591, 8247, 8788, 10996, 13182, 16494, 19773, 24741, 26364, 32988, 35737, 39546, 49482, 71474, 79092, 98964, 107211, 142948, 214422, 321633, 428844, 464581, 643266, 929162, 1286532, 1393743, 1858324, 2787486, 4181229, 5574972, 6039553, 8362458, 12079106, 16724916, 18118659, 24158212, 36237318, 54355977, 72474636, 108711954, 217423908]

約数ペア:

[(1, 217423908), (2, 108711954), (3, 72474636), (4, 54355977), (6, 36237318), (9, 24158212), (12, 18118659), (13, 16724916), (18, 12079106), (26, 8362458), (36, 6039553), (39, 5574972), (52, 4181229), (78, 2787486), (117, 1858324), (156, 1393743), (169, 1286532), (234, 929162), (338, 643266), (468, 464581), (507, 428844), (676, 321633), (1014, 214422), (1521, 142948), (2028, 107211), (2197, 98964), (2749, 79092), (3042, 71474), (4394, 49482), (5498, 39546), (6084, 35737), (6591, 32988), (8247, 26364), (8788, 24741), (10996, 19773), (13182, 16494)]