209568065

素因数分解:

$5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{47}}^1\times {\mathrm{191}}^1$

素因数の和:302

約数の個数: 64

約数和(自身を含む): 318504960

約数和(自身を除く): 108936895

約数列:

[1, 5, 7, 23, 29, 35, 47, 115, 145, 161, 191, 203, 235, 329, 667, 805, 955, 1015, 1081, 1337, 1363, 1645, 3335, 4393, 4669, 5405, 5539, 6685, 6815, 7567, 8977, 9541, 21965, 23345, 27695, 30751, 31349, 37835, 38773, 44885, 47705, 62839, 127397, 153755, 156745, 193865, 206471, 219443, 260333, 314195, 636985, 891779, 1032355, 1097215, 1301665, 1445297, 1822331, 4458895, 5987659, 7226485, 9111655, 29938295, 41913613, 209568065]

約数ペア:

[(1, 209568065), (5, 41913613), (7, 29938295), (23, 9111655), (29, 7226485), (35, 5987659), (47, 4458895), (115, 1822331), (145, 1445297), (161, 1301665), (191, 1097215), (203, 1032355), (235, 891779), (329, 636985), (667, 314195), (805, 260333), (955, 219443), (1015, 206471), (1081, 193865), (1337, 156745), (1363, 153755), (1645, 127397), (3335, 62839), (4393, 47705), (4669, 44885), (5405, 38773), (5539, 37835), (6685, 31349), (6815, 30751), (7567, 27695), (8977, 23345), (9541, 21965)]