245654344

素因数分解:

$2^3\times {\mathrm{13}}^2\times {\mathrm{19}}^1\times {\mathrm{73}}^1\times {\mathrm{131}}^1$

素因数の和:255

約数の個数: 96

約数和(自身を含む): 536263200

約数和(自身を除く): 290608856

約数列:

[1, 2, 4, 8, 13, 19, 26, 38, 52, 73, 76, 104, 131, 146, 152, 169, 247, 262, 292, 338, 494, 524, 584, 676, 949, 988, 1048, 1352, 1387, 1703, 1898, 1976, 2489, 2774, 3211, 3406, 3796, 4978, 5548, 6422, 6812, 7592, 9563, 9956, 11096, 12337, 12844, 13624, 18031, 19126, 19912, 22139, 24674, 25688, 32357, 36062, 38252, 44278, 49348, 64714, 72124, 76504, 88556, 98696, 124319, 129428, 144248, 177112, 181697, 234403, 248638, 258856, 363394, 420641, 468806, 497276, 726788, 841282, 937612, 994552, 1453576, 1616147, 1682564, 1875224, 2362061, 3232294, 3365128, 4724122, 6464588, 9448244, 12929176, 18896488, 30706793, 61413586, 122827172, 245654344]

約数ペア:

[(1, 245654344), (2, 122827172), (4, 61413586), (8, 30706793), (13, 18896488), (19, 12929176), (26, 9448244), (38, 6464588), (52, 4724122), (73, 3365128), (76, 3232294), (104, 2362061), (131, 1875224), (146, 1682564), (152, 1616147), (169, 1453576), (247, 994552), (262, 937612), (292, 841282), (338, 726788), (494, 497276), (524, 468806), (584, 420641), (676, 363394), (949, 258856), (988, 248638), (1048, 234403), (1352, 181697), (1387, 177112), (1703, 144248), (1898, 129428), (1976, 124319), (2489, 98696), (2774, 88556), (3211, 76504), (3406, 72124), (3796, 64714), (4978, 49348), (5548, 44278), (6422, 38252), (6812, 36062), (7592, 32357), (9563, 25688), (9956, 24674), (11096, 22139), (12337, 19912), (12844, 19126), (13624, 18031)]