28701666

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{19}}^2\times {\mathrm{631}}^1$

素因数の和:684

約数の個数: 72

約数和(自身を含む): 75127104

約数和(自身を除く): 46425438

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 19, 21, 38, 42, 57, 63, 114, 126, 133, 171, 266, 342, 361, 399, 631, 722, 798, 1083, 1197, 1262, 1893, 2166, 2394, 2527, 3249, 3786, 4417, 5054, 5679, 6498, 7581, 8834, 11358, 11989, 13251, 15162, 22743, 23978, 26502, 35967, 39753, 45486, 71934, 79506, 83923, 107901, 167846, 215802, 227791, 251769, 455582, 503538, 683373, 755307, 1366746, 1510614, 1594537, 2050119, 3189074, 4100238, 4783611, 9567222, 14350833, 28701666]

約数ペア:

[(1, 28701666), (2, 14350833), (3, 9567222), (6, 4783611), (7, 4100238), (9, 3189074), (14, 2050119), (18, 1594537), (19, 1510614), (21, 1366746), (38, 755307), (42, 683373), (57, 503538), (63, 455582), (114, 251769), (126, 227791), (133, 215802), (171, 167846), (266, 107901), (342, 83923), (361, 79506), (399, 71934), (631, 45486), (722, 39753), (798, 35967), (1083, 26502), (1197, 23978), (1262, 22743), (1893, 15162), (2166, 13251), (2394, 11989), (2527, 11358), (3249, 8834), (3786, 7581), (4417, 6498), (5054, 5679)]