209199408

素因数分解:

$2^4\times 3^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{12781}}^1$

素因数の和:12834

約数の個数: 80

約数和(自身を含む): 608627712

約数和(自身を除く): 399428304

約数列:

[1, 2, 3, 4, 6, 8, 11, 12, 16, 22, 24, 31, 33, 44, 48, 62, 66, 88, 93, 124, 132, 176, 186, 248, 264, 341, 372, 496, 528, 682, 744, 1023, 1364, 1488, 2046, 2728, 4092, 5456, 8184, 12781, 16368, 25562, 38343, 51124, 76686, 102248, 140591, 153372, 204496, 281182, 306744, 396211, 421773, 562364, 613488, 792422, 843546, 1124728, 1188633, 1584844, 1687092, 2249456, 2377266, 3169688, 3374184, 4358321, 4754532, 6339376, 6748368, 8716642, 9509064, 13074963, 17433284, 19018128, 26149926, 34866568, 52299852, 69733136, 104599704, 209199408]

約数ペア:

[(1, 209199408), (2, 104599704), (3, 69733136), (4, 52299852), (6, 34866568), (8, 26149926), (11, 19018128), (12, 17433284), (16, 13074963), (22, 9509064), (24, 8716642), (31, 6748368), (33, 6339376), (44, 4754532), (48, 4358321), (62, 3374184), (66, 3169688), (88, 2377266), (93, 2249456), (124, 1687092), (132, 1584844), (176, 1188633), (186, 1124728), (248, 843546), (264, 792422), (341, 613488), (372, 562364), (496, 421773), (528, 396211), (682, 306744), (744, 281182), (1023, 204496), (1364, 153372), (1488, 140591), (2046, 102248), (2728, 76686), (4092, 51124), (5456, 38343), (8184, 25562), (12781, 16368)]