28180895

素因数分解:

$5^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{53}}^1\times {\mathrm{193}}^1$

素因数の和:299

約数の個数: 32

約数和(自身を含む): 37713600

約数和(自身を除く): 9532705

約数列:

[1, 5, 19, 29, 53, 95, 145, 193, 265, 551, 965, 1007, 1537, 2755, 3667, 5035, 5597, 7685, 10229, 18335, 27985, 29203, 51145, 106343, 146015, 194351, 296641, 531715, 971755, 1483205, 5636179, 28180895]

約数ペア:

[(1, 28180895), (5, 5636179), (19, 1483205), (29, 971755), (53, 531715), (95, 296641), (145, 194351), (193, 146015), (265, 106343), (551, 51145), (965, 29203), (1007, 27985), (1537, 18335), (2755, 10229), (3667, 7685), (5035, 5597)]