278254782

素因数分解:

$2^1\times 3^2\times {\mathrm{13}}^2\times {\mathrm{23}}^1\times {\mathrm{41}}^1\times {\mathrm{97}}^1$

素因数の和:195

約数の個数: 144

約数和(自身を含む): 705021408

約数和(自身を除く): 426766626

約数列:

[1, 2, 3, 6, 9, 13, 18, 23, 26, 39, 41, 46, 69, 78, 82, 97, 117, 123, 138, 169, 194, 207, 234, 246, 291, 299, 338, 369, 414, 507, 533, 582, 598, 738, 873, 897, 943, 1014, 1066, 1261, 1521, 1599, 1746, 1794, 1886, 2231, 2522, 2691, 2829, 3042, 3198, 3783, 3887, 3977, 4462, 4797, 5382, 5658, 6693, 6929, 7566, 7774, 7954, 8487, 9594, 11349, 11661, 11931, 12259, 13386, 13858, 16393, 16974, 20079, 20787, 22698, 23322, 23862, 24518, 29003, 32786, 34983, 35793, 36777, 40158, 41574, 49179, 51701, 58006, 62361, 69966, 71586, 73554, 87009, 91471, 98358, 103402, 110331, 124722, 147537, 155103, 159367, 174018, 182942, 220662, 261027, 274413, 295074, 310206, 318734, 377039, 465309, 478101, 522054, 548826, 672113, 754078, 823239, 930618, 956202, 1131117, 1189123, 1344226, 1434303, 1646478, 2016339, 2262234, 2378246, 2868606, 3393351, 3567369, 4032678, 6049017, 6786702, 7134738, 10702107, 12098034, 15458599, 21404214, 30917198, 46375797, 92751594, 139127391, 278254782]

約数ペア:

[(1, 278254782), (2, 139127391), (3, 92751594), (6, 46375797), (9, 30917198), (13, 21404214), (18, 15458599), (23, 12098034), (26, 10702107), (39, 7134738), (41, 6786702), (46, 6049017), (69, 4032678), (78, 3567369), (82, 3393351), (97, 2868606), (117, 2378246), (123, 2262234), (138, 2016339), (169, 1646478), (194, 1434303), (207, 1344226), (234, 1189123), (246, 1131117), (291, 956202), (299, 930618), (338, 823239), (369, 754078), (414, 672113), (507, 548826), (533, 522054), (582, 478101), (598, 465309), (738, 377039), (873, 318734), (897, 310206), (943, 295074), (1014, 274413), (1066, 261027), (1261, 220662), (1521, 182942), (1599, 174018), (1746, 159367), (1794, 155103), (1886, 147537), (2231, 124722), (2522, 110331), (2691, 103402), (2829, 98358), (3042, 91471), (3198, 87009), (3783, 73554), (3887, 71586), (3977, 69966), (4462, 62361), (4797, 58006), (5382, 51701), (5658, 49179), (6693, 41574), (6929, 40158), (7566, 36777), (7774, 35793), (7954, 34983), (8487, 32786), (9594, 29003), (11349, 24518), (11661, 23862), (11931, 23322), (12259, 22698), (13386, 20787), (13858, 20079), (16393, 16974)]