156973648

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{103}}^1\times {\mathrm{431}}^1$

素因数の和:572

約数の個数: 80

約数和(自身を含む): 350977536

約数和(自身を除く): 194003888

約数列:

[1, 2, 4, 8, 13, 16, 17, 26, 34, 52, 68, 103, 104, 136, 206, 208, 221, 272, 412, 431, 442, 824, 862, 884, 1339, 1648, 1724, 1751, 1768, 2678, 3448, 3502, 3536, 5356, 5603, 6896, 7004, 7327, 10712, 11206, 14008, 14654, 21424, 22412, 22763, 28016, 29308, 44393, 44824, 45526, 58616, 88786, 89648, 91052, 95251, 117232, 177572, 182104, 190502, 355144, 364208, 381004, 577109, 710288, 754681, 762008, 1154218, 1509362, 1524016, 2308436, 3018724, 4616872, 6037448, 9233744, 9810853, 12074896, 19621706, 39243412, 78486824, 156973648]

約数ペア:

[(1, 156973648), (2, 78486824), (4, 39243412), (8, 19621706), (13, 12074896), (16, 9810853), (17, 9233744), (26, 6037448), (34, 4616872), (52, 3018724), (68, 2308436), (103, 1524016), (104, 1509362), (136, 1154218), (206, 762008), (208, 754681), (221, 710288), (272, 577109), (412, 381004), (431, 364208), (442, 355144), (824, 190502), (862, 182104), (884, 177572), (1339, 117232), (1648, 95251), (1724, 91052), (1751, 89648), (1768, 88786), (2678, 58616), (3448, 45526), (3502, 44824), (3536, 44393), (5356, 29308), (5603, 28016), (6896, 22763), (7004, 22412), (7327, 21424), (10712, 14654), (11206, 14008)]