31302882

素因数分解:

$2^1\times 3^3\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{61}}^1$

素因数の和:145

約数の個数: 128

約数和(自身を含む): 82494720

約数和(自身を除く): 51191838

約数列:

[1, 2, 3, 6, 9, 13, 17, 18, 26, 27, 34, 39, 43, 51, 54, 61, 78, 86, 102, 117, 122, 129, 153, 183, 221, 234, 258, 306, 351, 366, 387, 442, 459, 549, 559, 663, 702, 731, 774, 793, 918, 1037, 1098, 1118, 1161, 1326, 1462, 1586, 1647, 1677, 1989, 2074, 2193, 2322, 2379, 2623, 3111, 3294, 3354, 3978, 4386, 4758, 5031, 5246, 5967, 6222, 6579, 7137, 7869, 9333, 9503, 10062, 11934, 13158, 13481, 14274, 15093, 15738, 18666, 19006, 19737, 21411, 23607, 26962, 27999, 28509, 30186, 34099, 39474, 40443, 42822, 44591, 47214, 55998, 57018, 68198, 70821, 80886, 85527, 89182, 102297, 121329, 133773, 141642, 171054, 204594, 242658, 256581, 267546, 306891, 363987, 401319, 513162, 579683, 613782, 727974, 802638, 920673, 1159366, 1203957, 1739049, 1841346, 2407914, 3478098, 5217147, 10434294, 15651441, 31302882]

約数ペア:

[(1, 31302882), (2, 15651441), (3, 10434294), (6, 5217147), (9, 3478098), (13, 2407914), (17, 1841346), (18, 1739049), (26, 1203957), (27, 1159366), (34, 920673), (39, 802638), (43, 727974), (51, 613782), (54, 579683), (61, 513162), (78, 401319), (86, 363987), (102, 306891), (117, 267546), (122, 256581), (129, 242658), (153, 204594), (183, 171054), (221, 141642), (234, 133773), (258, 121329), (306, 102297), (351, 89182), (366, 85527), (387, 80886), (442, 70821), (459, 68198), (549, 57018), (559, 55998), (663, 47214), (702, 44591), (731, 42822), (774, 40443), (793, 39474), (918, 34099), (1037, 30186), (1098, 28509), (1118, 27999), (1161, 26962), (1326, 23607), (1462, 21411), (1586, 19737), (1647, 19006), (1677, 18666), (1989, 15738), (2074, 15093), (2193, 14274), (2322, 13481), (2379, 13158), (2623, 11934), (3111, 10062), (3294, 9503), (3354, 9333), (3978, 7869), (4386, 7137), (4758, 6579), (5031, 6222), (5246, 5967)]