61791516

素因数分解:

$2^2\times 3^2\times {\mathrm{43}}^1\times {\mathrm{179}}^1\times {\mathrm{223}}^1$

素因数の和:455

約数の個数: 72

約数和(自身を含む): 161441280

約数和(自身を除く): 99649764

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 43, 86, 129, 172, 179, 223, 258, 358, 387, 446, 516, 537, 669, 716, 774, 892, 1074, 1338, 1548, 1611, 2007, 2148, 2676, 3222, 4014, 6444, 7697, 8028, 9589, 15394, 19178, 23091, 28767, 30788, 38356, 39917, 46182, 57534, 69273, 79834, 86301, 92364, 115068, 119751, 138546, 159668, 172602, 239502, 277092, 345204, 359253, 479004, 718506, 1437012, 1716431, 3432862, 5149293, 6865724, 10298586, 15447879, 20597172, 30895758, 61791516]

約数ペア:

[(1, 61791516), (2, 30895758), (3, 20597172), (4, 15447879), (6, 10298586), (9, 6865724), (12, 5149293), (18, 3432862), (36, 1716431), (43, 1437012), (86, 718506), (129, 479004), (172, 359253), (179, 345204), (223, 277092), (258, 239502), (358, 172602), (387, 159668), (446, 138546), (516, 119751), (537, 115068), (669, 92364), (716, 86301), (774, 79834), (892, 69273), (1074, 57534), (1338, 46182), (1548, 39917), (1611, 38356), (2007, 30788), (2148, 28767), (2676, 23091), (3222, 19178), (4014, 15394), (6444, 9589), (7697, 8028)]