172221948

素因数分解:

$2^2\times 3^2\times {\mathrm{97}}^1\times {\mathrm{149}}^1\times {\mathrm{331}}^1$

素因数の和:587

約数の個数: 72

約数和(自身を含む): 444116400

約数和(自身を除く): 271894452

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 97, 149, 194, 291, 298, 331, 388, 447, 582, 596, 662, 873, 894, 993, 1164, 1324, 1341, 1746, 1788, 1986, 2682, 2979, 3492, 3972, 5364, 5958, 11916, 14453, 28906, 32107, 43359, 49319, 57812, 64214, 86718, 96321, 98638, 128428, 130077, 147957, 173436, 192642, 197276, 260154, 288963, 295914, 385284, 443871, 520308, 577926, 591828, 887742, 1155852, 1775484, 4783943, 9567886, 14351829, 19135772, 28703658, 43055487, 57407316, 86110974, 172221948]

約数ペア:

[(1, 172221948), (2, 86110974), (3, 57407316), (4, 43055487), (6, 28703658), (9, 19135772), (12, 14351829), (18, 9567886), (36, 4783943), (97, 1775484), (149, 1155852), (194, 887742), (291, 591828), (298, 577926), (331, 520308), (388, 443871), (447, 385284), (582, 295914), (596, 288963), (662, 260154), (873, 197276), (894, 192642), (993, 173436), (1164, 147957), (1324, 130077), (1341, 128428), (1746, 98638), (1788, 96321), (1986, 86718), (2682, 64214), (2979, 57812), (3492, 49319), (3972, 43359), (5364, 32107), (5958, 28906), (11916, 14453)]