72639944

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{22531}}^1$

素因数の和:22581

約数の個数: 32

約数和(自身を含む): 151415040

約数和(自身を除く): 78775096

約数列:

[1, 2, 4, 8, 13, 26, 31, 52, 62, 104, 124, 248, 403, 806, 1612, 3224, 22531, 45062, 90124, 180248, 292903, 585806, 698461, 1171612, 1396922, 2343224, 2793844, 5587688, 9079993, 18159986, 36319972, 72639944]

約数ペア:

[(1, 72639944), (2, 36319972), (4, 18159986), (8, 9079993), (13, 5587688), (26, 2793844), (31, 2343224), (52, 1396922), (62, 1171612), (104, 698461), (124, 585806), (248, 292903), (403, 180248), (806, 90124), (1612, 45062), (3224, 22531)]