28256190

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{1321}}^1$

素因数の和:1385

約数の個数: 64

約数和(自身を含む): 73101312

約数和(自身を除く): 44845122

約数列:

[1, 2, 3, 5, 6, 10, 15, 23, 30, 31, 46, 62, 69, 93, 115, 138, 155, 186, 230, 310, 345, 465, 690, 713, 930, 1321, 1426, 2139, 2642, 3565, 3963, 4278, 6605, 7130, 7926, 10695, 13210, 19815, 21390, 30383, 39630, 40951, 60766, 81902, 91149, 122853, 151915, 182298, 204755, 245706, 303830, 409510, 455745, 614265, 911490, 941873, 1228530, 1883746, 2825619, 4709365, 5651238, 9418730, 14128095, 28256190]

約数ペア:

[(1, 28256190), (2, 14128095), (3, 9418730), (5, 5651238), (6, 4709365), (10, 2825619), (15, 1883746), (23, 1228530), (30, 941873), (31, 911490), (46, 614265), (62, 455745), (69, 409510), (93, 303830), (115, 245706), (138, 204755), (155, 182298), (186, 151915), (230, 122853), (310, 91149), (345, 81902), (465, 60766), (690, 40951), (713, 39630), (930, 30383), (1321, 21390), (1426, 19815), (2139, 13210), (2642, 10695), (3565, 7926), (3963, 7130), (4278, 6605)]