248465997

素因数分解:

$3^2\times {\mathrm{13}}^2\times {\mathrm{29}}^1\times {\mathrm{43}}^1\times {\mathrm{131}}^1$

素因数の和:235

約数の個数: 72

約数和(自身を含む): 414516960

約数和(自身を除く): 166050963

約数列:

[1, 3, 9, 13, 29, 39, 43, 87, 117, 129, 131, 169, 261, 377, 387, 393, 507, 559, 1131, 1179, 1247, 1521, 1677, 1703, 3393, 3741, 3799, 4901, 5031, 5109, 5633, 7267, 11223, 11397, 14703, 15327, 16211, 16899, 21801, 22139, 34191, 44109, 48633, 49387, 50697, 65403, 66417, 73229, 145899, 148161, 163357, 199251, 210743, 219687, 444483, 490071, 632229, 642031, 659061, 951977, 1470213, 1896687, 1926093, 2123641, 2855931, 5778279, 6370923, 8567793, 19112769, 27607333, 82821999, 248465997]

約数ペア:

[(1, 248465997), (3, 82821999), (9, 27607333), (13, 19112769), (29, 8567793), (39, 6370923), (43, 5778279), (87, 2855931), (117, 2123641), (129, 1926093), (131, 1896687), (169, 1470213), (261, 951977), (377, 659061), (387, 642031), (393, 632229), (507, 490071), (559, 444483), (1131, 219687), (1179, 210743), (1247, 199251), (1521, 163357), (1677, 148161), (1703, 145899), (3393, 73229), (3741, 66417), (3799, 65403), (4901, 50697), (5031, 49387), (5109, 48633), (5633, 44109), (7267, 34191), (11223, 22139), (11397, 21801), (14703, 16899), (15327, 16211)]