161736172

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{73}}^1\times {\mathrm{137}}^1\times {\mathrm{311}}^1$

素因数の和:538

約数の個数: 48

約数和(自身を含む): 312242112

約数和(自身を除く): 150505940

約数列:

[1, 2, 4, 13, 26, 52, 73, 137, 146, 274, 292, 311, 548, 622, 949, 1244, 1781, 1898, 3562, 3796, 4043, 7124, 8086, 10001, 16172, 20002, 22703, 40004, 42607, 45406, 85214, 90812, 130013, 170428, 260026, 295139, 520052, 553891, 590278, 1107782, 1180556, 2215564, 3110311, 6220622, 12441244, 40434043, 80868086, 161736172]

約数ペア:

[(1, 161736172), (2, 80868086), (4, 40434043), (13, 12441244), (26, 6220622), (52, 3110311), (73, 2215564), (137, 1180556), (146, 1107782), (274, 590278), (292, 553891), (311, 520052), (548, 295139), (622, 260026), (949, 170428), (1244, 130013), (1781, 90812), (1898, 85214), (3562, 45406), (3796, 42607), (4043, 40004), (7124, 22703), (8086, 20002), (10001, 16172)]