397996884

素因数分解:

$2^2\times 3^2\times {\mathrm{67}}^1\times {\mathrm{157}}^1\times {\mathrm{1051}}^1$

素因数の和:1285

約数の個数: 72

約数和(自身を含む): 1028544608

約数和(自身を除く): 630547724

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 67, 134, 157, 201, 268, 314, 402, 471, 603, 628, 804, 942, 1051, 1206, 1413, 1884, 2102, 2412, 2826, 3153, 4204, 5652, 6306, 9459, 10519, 12612, 18918, 21038, 31557, 37836, 42076, 63114, 70417, 94671, 126228, 140834, 165007, 189342, 211251, 281668, 330014, 378684, 422502, 495021, 633753, 660028, 845004, 990042, 1267506, 1485063, 1980084, 2535012, 2970126, 5940252, 11055469, 22110938, 33166407, 44221876, 66332814, 99499221, 132665628, 198998442, 397996884]

約数ペア:

[(1, 397996884), (2, 198998442), (3, 132665628), (4, 99499221), (6, 66332814), (9, 44221876), (12, 33166407), (18, 22110938), (36, 11055469), (67, 5940252), (134, 2970126), (157, 2535012), (201, 1980084), (268, 1485063), (314, 1267506), (402, 990042), (471, 845004), (603, 660028), (628, 633753), (804, 495021), (942, 422502), (1051, 378684), (1206, 330014), (1413, 281668), (1884, 211251), (2102, 189342), (2412, 165007), (2826, 140834), (3153, 126228), (4204, 94671), (5652, 70417), (6306, 63114), (9459, 42076), (10519, 37836), (12612, 31557), (18918, 21038)]