398976474

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{103}}^1\times {\mathrm{937}}^1$

素因数の和:1111

約数の個数: 64

約数和(自身を含む): 884991744

約数和(自身を除く): 486015270

約数列:

[1, 2, 3, 6, 13, 26, 39, 53, 78, 103, 106, 159, 206, 309, 318, 618, 689, 937, 1339, 1378, 1874, 2067, 2678, 2811, 4017, 4134, 5459, 5622, 8034, 10918, 12181, 16377, 24362, 32754, 36543, 49661, 70967, 73086, 96511, 99322, 141934, 148983, 193022, 212901, 289533, 297966, 425802, 579066, 645593, 1254643, 1291186, 1936779, 2509286, 3763929, 3873558, 5115083, 7527858, 10230166, 15345249, 30690498, 66496079, 132992158, 199488237, 398976474]

約数ペア:

[(1, 398976474), (2, 199488237), (3, 132992158), (6, 66496079), (13, 30690498), (26, 15345249), (39, 10230166), (53, 7527858), (78, 5115083), (103, 3873558), (106, 3763929), (159, 2509286), (206, 1936779), (309, 1291186), (318, 1254643), (618, 645593), (689, 579066), (937, 425802), (1339, 297966), (1378, 289533), (1874, 212901), (2067, 193022), (2678, 148983), (2811, 141934), (4017, 99322), (4134, 96511), (5459, 73086), (5622, 70967), (8034, 49661), (10918, 36543), (12181, 32754), (16377, 24362)]