331399672

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{53}}^1\times {\mathrm{1327}}^1$

素因数の和:1436

約数の個数: 64

約数和(自身を含む): 688435200

約数和(自身を除く): 357035528

約数列:

[1, 2, 4, 8, 19, 31, 38, 53, 62, 76, 106, 124, 152, 212, 248, 424, 589, 1007, 1178, 1327, 1643, 2014, 2356, 2654, 3286, 4028, 4712, 5308, 6572, 8056, 10616, 13144, 25213, 31217, 41137, 50426, 62434, 70331, 82274, 100852, 124868, 140662, 164548, 201704, 249736, 281324, 329096, 562648, 781603, 1336289, 1563206, 2180261, 2672578, 3126412, 4360522, 5345156, 6252824, 8721044, 10690312, 17442088, 41424959, 82849918, 165699836, 331399672]

約数ペア:

[(1, 331399672), (2, 165699836), (4, 82849918), (8, 41424959), (19, 17442088), (31, 10690312), (38, 8721044), (53, 6252824), (62, 5345156), (76, 4360522), (106, 3126412), (124, 2672578), (152, 2180261), (212, 1563206), (248, 1336289), (424, 781603), (589, 562648), (1007, 329096), (1178, 281324), (1327, 249736), (1643, 201704), (2014, 164548), (2356, 140662), (2654, 124868), (3286, 100852), (4028, 82274), (4712, 70331), (5308, 62434), (6572, 50426), (8056, 41137), (10616, 31217), (13144, 25213)]