215843990

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{83}}^1\times {\mathrm{13687}}^1$

素因数の和:13796

約数の個数: 32

約数和(自身を含む): 413925120

約数和(自身を除く): 198081130

約数列:

[1, 2, 5, 10, 19, 38, 83, 95, 166, 190, 415, 830, 1577, 3154, 7885, 13687, 15770, 27374, 68435, 136870, 260053, 520106, 1136021, 1300265, 2272042, 2600530, 5680105, 11360210, 21584399, 43168798, 107921995, 215843990]

約数ペア:

[(1, 215843990), (2, 107921995), (5, 43168798), (10, 21584399), (19, 11360210), (38, 5680105), (83, 2600530), (95, 2272042), (166, 1300265), (190, 1136021), (415, 520106), (830, 260053), (1577, 136870), (3154, 68435), (7885, 27374), (13687, 15770)]