209917895

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{53}}^1\times {\mathrm{101}}^1$

素因数の和:224

約数の個数: 64

約数和(自身を含む): 304570368

約数和(自身を除く): 94652473

約数列:

[1, 5, 11, 23, 31, 53, 55, 101, 115, 155, 253, 265, 341, 505, 583, 713, 1111, 1219, 1265, 1643, 1705, 2323, 2915, 3131, 3565, 5353, 5555, 6095, 7843, 8215, 11615, 13409, 15655, 18073, 25553, 26765, 34441, 37789, 39215, 58883, 67045, 72013, 90365, 123119, 127765, 165943, 172205, 188945, 294415, 360065, 415679, 615595, 792143, 829715, 1354309, 1825373, 2078395, 3816689, 3960715, 6771545, 9126865, 19083445, 41983579, 209917895]

約数ペア:

[(1, 209917895), (5, 41983579), (11, 19083445), (23, 9126865), (31, 6771545), (53, 3960715), (55, 3816689), (101, 2078395), (115, 1825373), (155, 1354309), (253, 829715), (265, 792143), (341, 615595), (505, 415679), (583, 360065), (713, 294415), (1111, 188945), (1219, 172205), (1265, 165943), (1643, 127765), (1705, 123119), (2323, 90365), (2915, 72013), (3131, 67045), (3565, 58883), (5353, 39215), (5555, 37789), (6095, 34441), (7843, 26765), (8215, 25553), (11615, 18073), (13409, 15655)]