219375468

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{15121}}^1$

素因数の和:15175

約数の個数: 72

約数和(自身を含む): 616493696

約数和(自身を除く): 397118228

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 31, 36, 39, 52, 62, 78, 93, 117, 124, 156, 186, 234, 279, 372, 403, 468, 558, 806, 1116, 1209, 1612, 2418, 3627, 4836, 7254, 14508, 15121, 30242, 45363, 60484, 90726, 136089, 181452, 196573, 272178, 393146, 468751, 544356, 589719, 786292, 937502, 1179438, 1406253, 1769157, 1875004, 2358876, 2812506, 3538314, 4218759, 5625012, 6093763, 7076628, 8437518, 12187526, 16875036, 18281289, 24375052, 36562578, 54843867, 73125156, 109687734, 219375468]

約数ペア:

[(1, 219375468), (2, 109687734), (3, 73125156), (4, 54843867), (6, 36562578), (9, 24375052), (12, 18281289), (13, 16875036), (18, 12187526), (26, 8437518), (31, 7076628), (36, 6093763), (39, 5625012), (52, 4218759), (62, 3538314), (78, 2812506), (93, 2358876), (117, 1875004), (124, 1769157), (156, 1406253), (186, 1179438), (234, 937502), (279, 786292), (372, 589719), (403, 544356), (468, 468751), (558, 393146), (806, 272178), (1116, 196573), (1209, 181452), (1612, 136089), (2418, 90726), (3627, 60484), (4836, 45363), (7254, 30242), (14508, 15121)]