208045868

素因数分解:

$2^2\times {\mathrm{43}}^1\times {\mathrm{61}}^1\times {\mathrm{79}}^1\times {\mathrm{251}}^1$

素因数の和:438

約数の個数: 48

約数和(自身を含む): 384975360

約数和(自身を除く): 176929492

約数列:

[1, 2, 4, 43, 61, 79, 86, 122, 158, 172, 244, 251, 316, 502, 1004, 2623, 3397, 4819, 5246, 6794, 9638, 10492, 10793, 13588, 15311, 19276, 19829, 21586, 30622, 39658, 43172, 61244, 79316, 207217, 414434, 658373, 828868, 852647, 1209569, 1316746, 1705294, 2419138, 2633492, 3410588, 4838276, 52011467, 104022934, 208045868]

約数ペア:

[(1, 208045868), (2, 104022934), (4, 52011467), (43, 4838276), (61, 3410588), (79, 2633492), (86, 2419138), (122, 1705294), (158, 1316746), (172, 1209569), (244, 852647), (251, 828868), (316, 658373), (502, 414434), (1004, 207217), (2623, 79316), (3397, 61244), (4819, 43172), (5246, 39658), (6794, 30622), (9638, 21586), (10492, 19829), (10793, 19276), (13588, 15311)]