221465808

素因数分解:

$2^4\times 3^2\times {\mathrm{29}}^1\times {\mathrm{181}}^1\times {\mathrm{293}}^1$

素因数の和:517

約数の個数: 120

約数和(自身を含む): 646911720

約数和(自身を除く): 425445912

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 29, 36, 48, 58, 72, 87, 116, 144, 174, 181, 232, 261, 293, 348, 362, 464, 522, 543, 586, 696, 724, 879, 1044, 1086, 1172, 1392, 1448, 1629, 1758, 2088, 2172, 2344, 2637, 2896, 3258, 3516, 4176, 4344, 4688, 5249, 5274, 6516, 7032, 8497, 8688, 10498, 10548, 13032, 14064, 15747, 16994, 20996, 21096, 25491, 26064, 31494, 33988, 41992, 42192, 47241, 50982, 53033, 62988, 67976, 76473, 83984, 94482, 101964, 106066, 125976, 135952, 152946, 159099, 188964, 203928, 212132, 251952, 305892, 318198, 377928, 407856, 424264, 477297, 611784, 636396, 755856, 848528, 954594, 1223568, 1272792, 1537957, 1909188, 2545584, 3075914, 3818376, 4613871, 6151828, 7636752, 9227742, 12303656, 13841613, 18455484, 24607312, 27683226, 36910968, 55366452, 73821936, 110732904, 221465808]

約数ペア:

[(1, 221465808), (2, 110732904), (3, 73821936), (4, 55366452), (6, 36910968), (8, 27683226), (9, 24607312), (12, 18455484), (16, 13841613), (18, 12303656), (24, 9227742), (29, 7636752), (36, 6151828), (48, 4613871), (58, 3818376), (72, 3075914), (87, 2545584), (116, 1909188), (144, 1537957), (174, 1272792), (181, 1223568), (232, 954594), (261, 848528), (293, 755856), (348, 636396), (362, 611784), (464, 477297), (522, 424264), (543, 407856), (586, 377928), (696, 318198), (724, 305892), (879, 251952), (1044, 212132), (1086, 203928), (1172, 188964), (1392, 159099), (1448, 152946), (1629, 135952), (1758, 125976), (2088, 106066), (2172, 101964), (2344, 94482), (2637, 83984), (2896, 76473), (3258, 67976), (3516, 62988), (4176, 53033), (4344, 50982), (4688, 47241), (5249, 42192), (5274, 41992), (6516, 33988), (7032, 31494), (8497, 26064), (8688, 25491), (10498, 21096), (10548, 20996), (13032, 16994), (14064, 15747)]