64423528

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{32603}}^1$

素因数の和:32641

約数の個数: 32

約数和(自身を含む): 136936800

約数和(自身を除く): 72513272

約数列:

[1, 2, 4, 8, 13, 19, 26, 38, 52, 76, 104, 152, 247, 494, 988, 1976, 32603, 65206, 130412, 260824, 423839, 619457, 847678, 1238914, 1695356, 2477828, 3390712, 4955656, 8052941, 16105882, 32211764, 64423528]

約数ペア:

[(1, 64423528), (2, 32211764), (4, 16105882), (8, 8052941), (13, 4955656), (19, 3390712), (26, 2477828), (38, 1695356), (52, 1238914), (76, 847678), (104, 619457), (152, 423839), (247, 260824), (494, 130412), (988, 65206), (1976, 32603)]