121421196

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^1\times {\mathrm{401}}^1\times {\mathrm{647}}^1$

素因数の和:1071

約数の個数: 72

約数和(自身を含む): 331871904

約数和(自身を除く): 210450708

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 36, 39, 52, 78, 117, 156, 234, 401, 468, 647, 802, 1203, 1294, 1604, 1941, 2406, 2588, 3609, 3882, 4812, 5213, 5823, 7218, 7764, 8411, 10426, 11646, 14436, 15639, 16822, 20852, 23292, 25233, 31278, 33644, 46917, 50466, 62556, 75699, 93834, 100932, 151398, 187668, 259447, 302796, 518894, 778341, 1037788, 1556682, 2335023, 3113364, 3372811, 4670046, 6745622, 9340092, 10118433, 13491244, 20236866, 30355299, 40473732, 60710598, 121421196]

約数ペア:

[(1, 121421196), (2, 60710598), (3, 40473732), (4, 30355299), (6, 20236866), (9, 13491244), (12, 10118433), (13, 9340092), (18, 6745622), (26, 4670046), (36, 3372811), (39, 3113364), (52, 2335023), (78, 1556682), (117, 1037788), (156, 778341), (234, 518894), (401, 302796), (468, 259447), (647, 187668), (802, 151398), (1203, 100932), (1294, 93834), (1604, 75699), (1941, 62556), (2406, 50466), (2588, 46917), (3609, 33644), (3882, 31278), (4812, 25233), (5213, 23292), (5823, 20852), (7218, 16822), (7764, 15639), (8411, 14436), (10426, 11646)]