31628916

素因数分解:

$2^2\times 3^2\times {\mathrm{11}}^2\times {\mathrm{53}}^1\times {\mathrm{137}}^1$

素因数の和:222

約数の個数: 108

約数和(自身を含む): 90191556

約数和(自身を除く): 58562640

約数列:

[1, 2, 3, 4, 6, 9, 11, 12, 18, 22, 33, 36, 44, 53, 66, 99, 106, 121, 132, 137, 159, 198, 212, 242, 274, 318, 363, 396, 411, 477, 484, 548, 583, 636, 726, 822, 954, 1089, 1166, 1233, 1452, 1507, 1644, 1749, 1908, 2178, 2332, 2466, 3014, 3498, 4356, 4521, 4932, 5247, 6028, 6413, 6996, 7261, 9042, 10494, 12826, 13563, 14522, 16577, 18084, 19239, 20988, 21783, 25652, 27126, 29044, 33154, 38478, 43566, 49731, 54252, 57717, 65349, 66308, 76956, 79871, 87132, 99462, 115434, 130698, 149193, 159742, 198924, 230868, 239613, 261396, 298386, 319484, 479226, 596772, 718839, 878581, 958452, 1437678, 1757162, 2635743, 2875356, 3514324, 5271486, 7907229, 10542972, 15814458, 31628916]

約数ペア:

[(1, 31628916), (2, 15814458), (3, 10542972), (4, 7907229), (6, 5271486), (9, 3514324), (11, 2875356), (12, 2635743), (18, 1757162), (22, 1437678), (33, 958452), (36, 878581), (44, 718839), (53, 596772), (66, 479226), (99, 319484), (106, 298386), (121, 261396), (132, 239613), (137, 230868), (159, 198924), (198, 159742), (212, 149193), (242, 130698), (274, 115434), (318, 99462), (363, 87132), (396, 79871), (411, 76956), (477, 66308), (484, 65349), (548, 57717), (583, 54252), (636, 49731), (726, 43566), (822, 38478), (954, 33154), (1089, 29044), (1166, 27126), (1233, 25652), (1452, 21783), (1507, 20988), (1644, 19239), (1749, 18084), (1908, 16577), (2178, 14522), (2332, 13563), (2466, 12826), (3014, 10494), (3498, 9042), (4356, 7261), (4521, 6996), (4932, 6413), (5247, 6028)]