15721799132

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{61}}^1\times {\mathrm{215497}}^1$

素因数の和:215598

約数の個数: 48

約数和(自身を含む): 31424780352

約数和(自身を除く): 15702981220

約数列:

[1, 2, 4, 13, 23, 26, 46, 52, 61, 92, 122, 244, 299, 598, 793, 1196, 1403, 1586, 2806, 3172, 5612, 18239, 36478, 72956, 215497, 430994, 861988, 2801461, 4956431, 5602922, 9912862, 11205844, 13145317, 19825724, 26290634, 52581268, 64433603, 128867206, 170889121, 257734412, 302342291, 341778242, 604684582, 683556484, 1209369164, 3930449783, 7860899566, 15721799132]

約数ペア:

[(1, 15721799132), (2, 7860899566), (4, 3930449783), (13, 1209369164), (23, 683556484), (26, 604684582), (46, 341778242), (52, 302342291), (61, 257734412), (92, 170889121), (122, 128867206), (244, 64433603), (299, 52581268), (598, 26290634), (793, 19825724), (1196, 13145317), (1403, 11205844), (1586, 9912862), (2806, 5602922), (3172, 4956431), (5612, 2801461), (18239, 861988), (36478, 430994), (72956, 215497)]