161988372

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{197}}^1\times {\mathrm{251}}^1$

素因数の和:478

約数の個数: 144

約数和(自身を含む): 508540032

約数和(自身を除く): 346551660

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 13, 14, 18, 21, 26, 28, 36, 39, 42, 52, 63, 78, 84, 91, 117, 126, 156, 182, 197, 234, 251, 252, 273, 364, 394, 468, 502, 546, 591, 753, 788, 819, 1004, 1092, 1182, 1379, 1506, 1638, 1757, 1773, 2259, 2364, 2561, 2758, 3012, 3263, 3276, 3514, 3546, 4137, 4518, 5122, 5271, 5516, 6526, 7028, 7092, 7683, 8274, 9036, 9789, 10244, 10542, 12411, 13052, 15366, 15813, 16548, 17927, 19578, 21084, 22841, 23049, 24822, 29367, 30732, 31626, 35854, 39156, 45682, 46098, 49447, 49644, 53781, 58734, 63252, 68523, 71708, 91364, 92196, 98894, 107562, 117468, 137046, 148341, 161343, 197788, 205569, 215124, 274092, 296682, 322686, 346129, 411138, 445023, 593364, 642811, 645372, 692258, 822276, 890046, 1038387, 1285622, 1384516, 1780092, 1928433, 2076774, 2571244, 3115161, 3856866, 4153548, 4499677, 5785299, 6230322, 7713732, 8999354, 11570598, 12460644, 13499031, 17998708, 23141196, 26998062, 40497093, 53996124, 80994186, 161988372]

約数ペア:

[(1, 161988372), (2, 80994186), (3, 53996124), (4, 40497093), (6, 26998062), (7, 23141196), (9, 17998708), (12, 13499031), (13, 12460644), (14, 11570598), (18, 8999354), (21, 7713732), (26, 6230322), (28, 5785299), (36, 4499677), (39, 4153548), (42, 3856866), (52, 3115161), (63, 2571244), (78, 2076774), (84, 1928433), (91, 1780092), (117, 1384516), (126, 1285622), (156, 1038387), (182, 890046), (197, 822276), (234, 692258), (251, 645372), (252, 642811), (273, 593364), (364, 445023), (394, 411138), (468, 346129), (502, 322686), (546, 296682), (591, 274092), (753, 215124), (788, 205569), (819, 197788), (1004, 161343), (1092, 148341), (1182, 137046), (1379, 117468), (1506, 107562), (1638, 98894), (1757, 92196), (1773, 91364), (2259, 71708), (2364, 68523), (2561, 63252), (2758, 58734), (3012, 53781), (3263, 49644), (3276, 49447), (3514, 46098), (3546, 45682), (4137, 39156), (4518, 35854), (5122, 31626), (5271, 30732), (5516, 29367), (6526, 24822), (7028, 23049), (7092, 22841), (7683, 21084), (8274, 19578), (9036, 17927), (9789, 16548), (10244, 15813), (10542, 15366), (12411, 13052)]