28639416

素因数分解:

$2^3\times 3^1\times {\mathrm{13}}^2\times {\mathrm{23}}^1\times {\mathrm{307}}^1$

素因数の和:365

約数の個数: 96

約数和(自身を含む): 81164160

約数和(自身を除く): 52524744

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 23, 24, 26, 39, 46, 52, 69, 78, 92, 104, 138, 156, 169, 184, 276, 299, 307, 312, 338, 507, 552, 598, 614, 676, 897, 921, 1014, 1196, 1228, 1352, 1794, 1842, 2028, 2392, 2456, 3588, 3684, 3887, 3991, 4056, 7061, 7176, 7368, 7774, 7982, 11661, 11973, 14122, 15548, 15964, 21183, 23322, 23946, 28244, 31096, 31928, 42366, 46644, 47892, 51883, 56488, 84732, 91793, 93288, 95784, 103766, 155649, 169464, 183586, 207532, 275379, 311298, 367172, 415064, 550758, 622596, 734344, 1101516, 1193309, 1245192, 2203032, 2386618, 3579927, 4773236, 7159854, 9546472, 14319708, 28639416]

約数ペア:

[(1, 28639416), (2, 14319708), (3, 9546472), (4, 7159854), (6, 4773236), (8, 3579927), (12, 2386618), (13, 2203032), (23, 1245192), (24, 1193309), (26, 1101516), (39, 734344), (46, 622596), (52, 550758), (69, 415064), (78, 367172), (92, 311298), (104, 275379), (138, 207532), (156, 183586), (169, 169464), (184, 155649), (276, 103766), (299, 95784), (307, 93288), (312, 91793), (338, 84732), (507, 56488), (552, 51883), (598, 47892), (614, 46644), (676, 42366), (897, 31928), (921, 31096), (1014, 28244), (1196, 23946), (1228, 23322), (1352, 21183), (1794, 15964), (1842, 15548), (2028, 14122), (2392, 11973), (2456, 11661), (3588, 7982), (3684, 7774), (3887, 7368), (3991, 7176), (4056, 7061)]