1445444

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{19}}^2$

素因数の和:73

約数の個数: 72

約数和(自身を含む): 3584448

約数和(自身を除く): 2139004

約数列:

[1, 2, 4, 7, 11, 13, 14, 19, 22, 26, 28, 38, 44, 52, 76, 77, 91, 133, 143, 154, 182, 209, 247, 266, 286, 308, 361, 364, 418, 494, 532, 572, 722, 836, 988, 1001, 1444, 1463, 1729, 2002, 2527, 2717, 2926, 3458, 3971, 4004, 4693, 5054, 5434, 5852, 6916, 7942, 9386, 10108, 10868, 15884, 18772, 19019, 27797, 32851, 38038, 51623, 55594, 65702, 76076, 103246, 111188, 131404, 206492, 361361, 722722, 1445444]

約数ペア:

[(1, 1445444), (2, 722722), (4, 361361), (7, 206492), (11, 131404), (13, 111188), (14, 103246), (19, 76076), (22, 65702), (26, 55594), (28, 51623), (38, 38038), (44, 32851), (52, 27797), (76, 19019), (77, 18772), (91, 15884), (133, 10868), (143, 10108), (154, 9386), (182, 7942), (209, 6916), (247, 5852), (266, 5434), (286, 5054), (308, 4693), (361, 4004), (364, 3971), (418, 3458), (494, 2926), (532, 2717), (572, 2527), (722, 2002), (836, 1729), (988, 1463), (1001, 1444)]