78983212

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{101}}^1\times {\mathrm{2539}}^1$

素因数の和:2662

約数の個数: 48

約数和(自身を含む): 174101760

約数和(自身を除く): 95118548

約数列:

[1, 2, 4, 7, 11, 14, 22, 28, 44, 77, 101, 154, 202, 308, 404, 707, 1111, 1414, 2222, 2539, 2828, 4444, 5078, 7777, 10156, 15554, 17773, 27929, 31108, 35546, 55858, 71092, 111716, 195503, 256439, 391006, 512878, 782012, 1025756, 1795073, 2820829, 3590146, 5641658, 7180292, 11283316, 19745803, 39491606, 78983212]

約数ペア:

[(1, 78983212), (2, 39491606), (4, 19745803), (7, 11283316), (11, 7180292), (14, 5641658), (22, 3590146), (28, 2820829), (44, 1795073), (77, 1025756), (101, 782012), (154, 512878), (202, 391006), (308, 256439), (404, 195503), (707, 111716), (1111, 71092), (1414, 55858), (2222, 35546), (2539, 31108), (2828, 27929), (4444, 17773), (5078, 15554), (7777, 10156)]