28232385

素因数分解:

$3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{59}}^1\times {\mathrm{73}}^1$

素因数の和:182

約数の個数: 64

約数和(自身を含む): 51148800

約数和(自身を除く): 22916415

約数列:

[1, 3, 5, 15, 19, 23, 57, 59, 69, 73, 95, 115, 177, 219, 285, 295, 345, 365, 437, 885, 1095, 1121, 1311, 1357, 1387, 1679, 2185, 3363, 4071, 4161, 4307, 5037, 5605, 6555, 6785, 6935, 8395, 12921, 16815, 20355, 20805, 21535, 25185, 25783, 31901, 64605, 77349, 81833, 95703, 99061, 128915, 159505, 245499, 297183, 386745, 409165, 478515, 495305, 1227495, 1485915, 1882159, 5646477, 9410795, 28232385]

約数ペア:

[(1, 28232385), (3, 9410795), (5, 5646477), (15, 1882159), (19, 1485915), (23, 1227495), (57, 495305), (59, 478515), (69, 409165), (73, 386745), (95, 297183), (115, 245499), (177, 159505), (219, 128915), (285, 99061), (295, 95703), (345, 81833), (365, 77349), (437, 64605), (885, 31901), (1095, 25783), (1121, 25185), (1311, 21535), (1357, 20805), (1387, 20355), (1679, 16815), (2185, 12921), (3363, 8395), (4071, 6935), (4161, 6785), (4307, 6555), (5037, 5605)]