64820728

素因数分解:

$2^3\times 7^2\times {\mathrm{17}}^1\times {\mathrm{71}}^1\times {\mathrm{137}}^1$

素因数の和:245

約数の個数: 96

約数和(自身を含む): 152915040

約数和(自身を除く): 88094312

約数列:

[1, 2, 4, 7, 8, 14, 17, 28, 34, 49, 56, 68, 71, 98, 119, 136, 137, 142, 196, 238, 274, 284, 392, 476, 497, 548, 568, 833, 952, 959, 994, 1096, 1207, 1666, 1918, 1988, 2329, 2414, 3332, 3479, 3836, 3976, 4658, 4828, 6664, 6713, 6958, 7672, 8449, 9316, 9656, 9727, 13426, 13916, 16303, 16898, 18632, 19454, 26852, 27832, 32606, 33796, 38908, 53704, 59143, 65212, 67592, 68089, 77816, 114121, 118286, 130424, 136178, 165359, 228242, 236572, 272356, 330718, 456484, 473144, 476623, 544712, 661436, 912968, 953246, 1157513, 1322872, 1906492, 2315026, 3812984, 4630052, 8102591, 9260104, 16205182, 32410364, 64820728]

約数ペア:

[(1, 64820728), (2, 32410364), (4, 16205182), (7, 9260104), (8, 8102591), (14, 4630052), (17, 3812984), (28, 2315026), (34, 1906492), (49, 1322872), (56, 1157513), (68, 953246), (71, 912968), (98, 661436), (119, 544712), (136, 476623), (137, 473144), (142, 456484), (196, 330718), (238, 272356), (274, 236572), (284, 228242), (392, 165359), (476, 136178), (497, 130424), (548, 118286), (568, 114121), (833, 77816), (952, 68089), (959, 67592), (994, 65212), (1096, 59143), (1207, 53704), (1666, 38908), (1918, 33796), (1988, 32606), (2329, 27832), (2414, 26852), (3332, 19454), (3479, 18632), (3836, 16898), (3976, 16303), (4658, 13916), (4828, 13426), (6664, 9727), (6713, 9656), (6958, 9316), (7672, 8449)]