268889159

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{61}}^1\times {\mathrm{131}}^1$

素因数の和:252

約数の個数: 64

約数和(自身を含む): 377118720

約数和(自身を除く): 108229561

約数列:

[1, 7, 11, 19, 23, 61, 77, 131, 133, 161, 209, 253, 427, 437, 671, 917, 1159, 1403, 1441, 1463, 1771, 2489, 3013, 3059, 4697, 4807, 7991, 8113, 9821, 10087, 12749, 15433, 17423, 21091, 26657, 27379, 33143, 33649, 55937, 57247, 87901, 89243, 108031, 151829, 183793, 186599, 191653, 232001, 293227, 400729, 615307, 629717, 1062803, 1286551, 1670119, 2021723, 2052589, 3492067, 4408019, 11690833, 14152061, 24444469, 38412737, 268889159]

約数ペア:

[(1, 268889159), (7, 38412737), (11, 24444469), (19, 14152061), (23, 11690833), (61, 4408019), (77, 3492067), (131, 2052589), (133, 2021723), (161, 1670119), (209, 1286551), (253, 1062803), (427, 629717), (437, 615307), (671, 400729), (917, 293227), (1159, 232001), (1403, 191653), (1441, 186599), (1463, 183793), (1771, 151829), (2489, 108031), (3013, 89243), (3059, 87901), (4697, 57247), (4807, 55937), (7991, 33649), (8113, 33143), (9821, 27379), (10087, 26657), (12749, 21091), (15433, 17423)]