127422412

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{17}}^2\times {\mathrm{61}}^1\times {\mathrm{139}}^1$

素因数の和:251

約数の個数: 72

約数和(自身を含む): 261146480

約数和(自身を除く): 133724068

約数列:

[1, 2, 4, 13, 17, 26, 34, 52, 61, 68, 122, 139, 221, 244, 278, 289, 442, 556, 578, 793, 884, 1037, 1156, 1586, 1807, 2074, 2363, 3172, 3614, 3757, 4148, 4726, 7228, 7514, 8479, 9452, 13481, 15028, 16958, 17629, 26962, 30719, 33916, 35258, 40171, 53924, 61438, 70516, 80342, 110227, 122876, 144143, 160684, 220454, 229177, 288286, 440908, 458354, 522223, 576572, 916708, 1044446, 1873859, 2088892, 2450431, 3747718, 4900862, 7495436, 9801724, 31855603, 63711206, 127422412]

約数ペア:

[(1, 127422412), (2, 63711206), (4, 31855603), (13, 9801724), (17, 7495436), (26, 4900862), (34, 3747718), (52, 2450431), (61, 2088892), (68, 1873859), (122, 1044446), (139, 916708), (221, 576572), (244, 522223), (278, 458354), (289, 440908), (442, 288286), (556, 229177), (578, 220454), (793, 160684), (884, 144143), (1037, 122876), (1156, 110227), (1586, 80342), (1807, 70516), (2074, 61438), (2363, 53924), (3172, 40171), (3614, 35258), (3757, 33916), (4148, 30719), (4726, 26962), (7228, 17629), (7514, 16958), (8479, 15028), (9452, 13481)]