201821516

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{181}}^1\times {\mathrm{523}}^1$

素因数の和:762

約数の個数: 48

約数和(自身を含む): 392534688

約数和(自身を除く): 190713172

約数列:

[1, 2, 4, 13, 26, 41, 52, 82, 164, 181, 362, 523, 533, 724, 1046, 1066, 2092, 2132, 2353, 4706, 6799, 7421, 9412, 13598, 14842, 21443, 27196, 29684, 42886, 85772, 94663, 96473, 189326, 192946, 278759, 378652, 385892, 557518, 1115036, 1230619, 2461238, 3881183, 4922476, 7762366, 15524732, 50455379, 100910758, 201821516]

約数ペア:

[(1, 201821516), (2, 100910758), (4, 50455379), (13, 15524732), (26, 7762366), (41, 4922476), (52, 3881183), (82, 2461238), (164, 1230619), (181, 1115036), (362, 557518), (523, 385892), (533, 378652), (724, 278759), (1046, 192946), (1066, 189326), (2092, 96473), (2132, 94663), (2353, 85772), (4706, 42886), (6799, 29684), (7421, 27196), (9412, 21443), (13598, 14842)]