211380212

素因数分解:

$2^2\times {\mathrm{23}}^1\times {\mathrm{107}}^1\times {\mathrm{109}}^1\times {\mathrm{197}}^1$

素因数の和:440

約数の個数: 48

約数和(自身を含む): 395176320

約数和(自身を除く): 183796108

約数列:

[1, 2, 4, 23, 46, 92, 107, 109, 197, 214, 218, 394, 428, 436, 788, 2461, 2507, 4531, 4922, 5014, 9062, 9844, 10028, 11663, 18124, 21079, 21473, 23326, 42158, 42946, 46652, 84316, 85892, 268249, 484817, 493879, 536498, 969634, 987758, 1072996, 1939268, 1975516, 2297611, 4595222, 9190444, 52845053, 105690106, 211380212]

約数ペア:

[(1, 211380212), (2, 105690106), (4, 52845053), (23, 9190444), (46, 4595222), (92, 2297611), (107, 1975516), (109, 1939268), (197, 1072996), (214, 987758), (218, 969634), (394, 536498), (428, 493879), (436, 484817), (788, 268249), (2461, 85892), (2507, 84316), (4531, 46652), (4922, 42946), (5014, 42158), (9062, 23326), (9844, 21473), (10028, 21079), (11663, 18124)]