28026390

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{3607}}^1$

素因数の和:3661

約数の個数: 64

約数和(自身を含む): 78971904

約数和(自身を除く): 50945514

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 30, 35, 37, 42, 70, 74, 105, 111, 185, 210, 222, 259, 370, 518, 555, 777, 1110, 1295, 1554, 2590, 3607, 3885, 7214, 7770, 10821, 18035, 21642, 25249, 36070, 50498, 54105, 75747, 108210, 126245, 133459, 151494, 252490, 266918, 378735, 400377, 667295, 757470, 800754, 934213, 1334590, 1868426, 2001885, 2802639, 4003770, 4671065, 5605278, 9342130, 14013195, 28026390]

約数ペア:

[(1, 28026390), (2, 14013195), (3, 9342130), (5, 5605278), (6, 4671065), (7, 4003770), (10, 2802639), (14, 2001885), (15, 1868426), (21, 1334590), (30, 934213), (35, 800754), (37, 757470), (42, 667295), (70, 400377), (74, 378735), (105, 266918), (111, 252490), (185, 151494), (210, 133459), (222, 126245), (259, 108210), (370, 75747), (518, 54105), (555, 50498), (777, 36070), (1110, 25249), (1295, 21642), (1554, 18035), (2590, 10821), (3607, 7770), (3885, 7214)]