81839056

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{509}}^1\times {\mathrm{773}}^1$

素因数の和:1303

約数の個数: 40

約数和(自身を含む): 171317160

約数和(自身を除く): 89478104

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 509, 773, 1018, 1546, 2036, 3092, 4072, 6184, 6617, 8144, 10049, 12368, 13234, 20098, 26468, 40196, 52936, 80392, 105872, 160784, 393457, 786914, 1573828, 3147656, 5114941, 6295312, 10229882, 20459764, 40919528, 81839056]

約数ペア:

[(1, 81839056), (2, 40919528), (4, 20459764), (8, 10229882), (13, 6295312), (16, 5114941), (26, 3147656), (52, 1573828), (104, 786914), (208, 393457), (509, 160784), (773, 105872), (1018, 80392), (1546, 52936), (2036, 40196), (3092, 26468), (4072, 20098), (6184, 13234), (6617, 12368), (8144, 10049)]