1555955388

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^1\times {\mathrm{401}}^1\times {\mathrm{8291}}^1$

素因数の和:8715

約数の個数: 72

約数和(自身を含む): 4246731216

約数和(自身を除く): 2690775828

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 36, 39, 52, 78, 117, 156, 234, 401, 468, 802, 1203, 1604, 2406, 3609, 4812, 5213, 7218, 8291, 10426, 14436, 15639, 16582, 20852, 24873, 31278, 33164, 46917, 49746, 62556, 74619, 93834, 99492, 107783, 149238, 187668, 215566, 298476, 323349, 431132, 646698, 970047, 1293396, 1940094, 3324691, 3880188, 6649382, 9974073, 13298764, 19948146, 29922219, 39896292, 43220983, 59844438, 86441966, 119688876, 129662949, 172883932, 259325898, 388988847, 518651796, 777977694, 1555955388]

約数ペア:

[(1, 1555955388), (2, 777977694), (3, 518651796), (4, 388988847), (6, 259325898), (9, 172883932), (12, 129662949), (13, 119688876), (18, 86441966), (26, 59844438), (36, 43220983), (39, 39896292), (52, 29922219), (78, 19948146), (117, 13298764), (156, 9974073), (234, 6649382), (401, 3880188), (468, 3324691), (802, 1940094), (1203, 1293396), (1604, 970047), (2406, 646698), (3609, 431132), (4812, 323349), (5213, 298476), (7218, 215566), (8291, 187668), (10426, 149238), (14436, 107783), (15639, 99492), (16582, 93834), (20852, 74619), (24873, 62556), (31278, 49746), (33164, 46917)]