208917930

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{31511}}^1$

素因数の和:31551

約数の個数: 64

約数和(自身を含む): 571753728

約数和(自身を除く): 362835798

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 17, 26, 30, 34, 39, 51, 65, 78, 85, 102, 130, 170, 195, 221, 255, 390, 442, 510, 663, 1105, 1326, 2210, 3315, 6630, 31511, 63022, 94533, 157555, 189066, 315110, 409643, 472665, 535687, 819286, 945330, 1071374, 1228929, 1607061, 2048215, 2457858, 2678435, 3214122, 4096430, 5356870, 6144645, 6963931, 8035305, 12289290, 13927862, 16070610, 20891793, 34819655, 41783586, 69639310, 104458965, 208917930]

約数ペア:

[(1, 208917930), (2, 104458965), (3, 69639310), (5, 41783586), (6, 34819655), (10, 20891793), (13, 16070610), (15, 13927862), (17, 12289290), (26, 8035305), (30, 6963931), (34, 6144645), (39, 5356870), (51, 4096430), (65, 3214122), (78, 2678435), (85, 2457858), (102, 2048215), (130, 1607061), (170, 1228929), (195, 1071374), (221, 945330), (255, 819286), (390, 535687), (442, 472665), (510, 409643), (663, 315110), (1105, 189066), (1326, 157555), (2210, 94533), (3315, 63022), (6630, 31511)]