278540172

素因数分解:

$2^2\times 3^2\times {\mathrm{17}}^1\times {\mathrm{67}}^1\times {\mathrm{6793}}^1$

素因数の和:6887

約数の個数: 72

約数和(自身を含む): 756742896

約数和(自身を除く): 478202724

約数列:

[1, 2, 3, 4, 6, 9, 12, 17, 18, 34, 36, 51, 67, 68, 102, 134, 153, 201, 204, 268, 306, 402, 603, 612, 804, 1139, 1206, 2278, 2412, 3417, 4556, 6793, 6834, 10251, 13586, 13668, 20379, 20502, 27172, 40758, 41004, 61137, 81516, 115481, 122274, 230962, 244548, 346443, 455131, 461924, 692886, 910262, 1039329, 1365393, 1385772, 1820524, 2078658, 2730786, 4096179, 4157316, 5461572, 7737227, 8192358, 15474454, 16384716, 23211681, 30948908, 46423362, 69635043, 92846724, 139270086, 278540172]

約数ペア:

[(1, 278540172), (2, 139270086), (3, 92846724), (4, 69635043), (6, 46423362), (9, 30948908), (12, 23211681), (17, 16384716), (18, 15474454), (34, 8192358), (36, 7737227), (51, 5461572), (67, 4157316), (68, 4096179), (102, 2730786), (134, 2078658), (153, 1820524), (201, 1385772), (204, 1365393), (268, 1039329), (306, 910262), (402, 692886), (603, 461924), (612, 455131), (804, 346443), (1139, 244548), (1206, 230962), (2278, 122274), (2412, 115481), (3417, 81516), (4556, 61137), (6793, 41004), (6834, 40758), (10251, 27172), (13586, 20502), (13668, 20379)]