78431886

素因数分解:

$2^1\times 3^2\times {\mathrm{13}}^2\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{59}}^1$

素因数の和:135

約数の個数: 144

約数和(自身を含む): 205545600

約数和(自身を除く): 127113714

約数列:

[1, 2, 3, 6, 9, 13, 18, 19, 23, 26, 38, 39, 46, 57, 59, 69, 78, 114, 117, 118, 138, 169, 171, 177, 207, 234, 247, 299, 338, 342, 354, 414, 437, 494, 507, 531, 598, 741, 767, 874, 897, 1014, 1062, 1121, 1311, 1357, 1482, 1521, 1534, 1794, 2223, 2242, 2301, 2622, 2691, 2714, 3042, 3211, 3363, 3887, 3933, 4071, 4446, 4602, 5382, 5681, 6422, 6726, 6903, 7774, 7866, 8142, 9633, 9971, 10089, 11362, 11661, 12213, 13806, 14573, 17043, 17641, 19266, 19942, 20178, 23322, 24426, 25783, 28899, 29146, 29913, 34086, 34983, 35282, 43719, 51129, 51566, 52923, 57798, 59826, 69966, 73853, 77349, 87438, 89739, 102258, 105846, 131157, 147706, 154698, 158769, 179478, 189449, 221559, 229333, 232047, 262314, 317538, 335179, 378898, 443118, 458666, 464094, 568347, 664677, 670358, 687999, 1005537, 1136694, 1329354, 1375998, 1705041, 2011074, 2063997, 3016611, 3410082, 4127994, 4357327, 6033222, 8714654, 13071981, 26143962, 39215943, 78431886]

約数ペア:

[(1, 78431886), (2, 39215943), (3, 26143962), (6, 13071981), (9, 8714654), (13, 6033222), (18, 4357327), (19, 4127994), (23, 3410082), (26, 3016611), (38, 2063997), (39, 2011074), (46, 1705041), (57, 1375998), (59, 1329354), (69, 1136694), (78, 1005537), (114, 687999), (117, 670358), (118, 664677), (138, 568347), (169, 464094), (171, 458666), (177, 443118), (207, 378898), (234, 335179), (247, 317538), (299, 262314), (338, 232047), (342, 229333), (354, 221559), (414, 189449), (437, 179478), (494, 158769), (507, 154698), (531, 147706), (598, 131157), (741, 105846), (767, 102258), (874, 89739), (897, 87438), (1014, 77349), (1062, 73853), (1121, 69966), (1311, 59826), (1357, 57798), (1482, 52923), (1521, 51566), (1534, 51129), (1794, 43719), (2223, 35282), (2242, 34983), (2301, 34086), (2622, 29913), (2691, 29146), (2714, 28899), (3042, 25783), (3211, 24426), (3363, 23322), (3887, 20178), (3933, 19942), (4071, 19266), (4446, 17641), (4602, 17043), (5382, 14573), (5681, 13806), (6422, 12213), (6726, 11661), (6903, 11362), (7774, 10089), (7866, 9971), (8142, 9633)]