81379458196

素因数分解:

$2^2\times {\mathrm{79}}^1\times {\mathrm{211}}^1\times {\mathrm{683}}^1\times {\mathrm{1787}}^1$

素因数の和:2764

約数の個数: 48

約数和(自身を含む): 145193610240

約数和(自身を除く): 63814152044

約数列:

[1, 2, 4, 79, 158, 211, 316, 422, 683, 844, 1366, 1787, 2732, 3574, 7148, 16669, 33338, 53957, 66676, 107914, 141173, 144113, 215828, 282346, 288226, 377057, 564692, 576452, 754114, 1220521, 1508228, 2441042, 4882084, 11384927, 22769854, 29787503, 45539708, 59575006, 96421159, 119150012, 192842318, 257529931, 385684636, 515059862, 1030119724, 20344864549, 40689729098, 81379458196]

約数ペア:

[(1, 81379458196), (2, 40689729098), (4, 20344864549), (79, 1030119724), (158, 515059862), (211, 385684636), (316, 257529931), (422, 192842318), (683, 119150012), (844, 96421159), (1366, 59575006), (1787, 45539708), (2732, 29787503), (3574, 22769854), (7148, 11384927), (16669, 4882084), (33338, 2441042), (53957, 1508228), (66676, 1220521), (107914, 754114), (141173, 576452), (144113, 564692), (215828, 377057), (282346, 288226)]