688746276

素因数分解:

$2^2\times 3^2\times {\mathrm{19}}^1\times {\mathrm{443}}^1\times {\mathrm{2273}}^1$

素因数の和:2745

約数の個数: 72

約数和(自身を含む): 1837573920

約数和(自身を除く): 1148827644

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 19, 36, 38, 57, 76, 114, 171, 228, 342, 443, 684, 886, 1329, 1772, 2273, 2658, 3987, 4546, 5316, 6819, 7974, 8417, 9092, 13638, 15948, 16834, 20457, 25251, 27276, 33668, 40914, 43187, 50502, 75753, 81828, 86374, 101004, 129561, 151506, 172748, 259122, 303012, 388683, 518244, 777366, 1006939, 1554732, 2013878, 3020817, 4027756, 6041634, 9062451, 12083268, 18124902, 19131841, 36249804, 38263682, 57395523, 76527364, 114791046, 172186569, 229582092, 344373138, 688746276]

約数ペア:

[(1, 688746276), (2, 344373138), (3, 229582092), (4, 172186569), (6, 114791046), (9, 76527364), (12, 57395523), (18, 38263682), (19, 36249804), (36, 19131841), (38, 18124902), (57, 12083268), (76, 9062451), (114, 6041634), (171, 4027756), (228, 3020817), (342, 2013878), (443, 1554732), (684, 1006939), (886, 777366), (1329, 518244), (1772, 388683), (2273, 303012), (2658, 259122), (3987, 172748), (4546, 151506), (5316, 129561), (6819, 101004), (7974, 86374), (8417, 81828), (9092, 75753), (13638, 50502), (15948, 43187), (16834, 40914), (20457, 33668), (25251, 27276)]