201558745

素因数分解:

$5^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{89}}^1\times {\mathrm{769}}^1$

素因数の和:913

約数の個数: 32

約数和(自身を含む): 266112000

約数和(自身を除く): 64553255

約数列:

[1, 5, 19, 31, 89, 95, 155, 445, 589, 769, 1691, 2759, 2945, 3845, 8455, 13795, 14611, 23839, 52421, 68441, 73055, 119195, 262105, 342205, 452941, 1300379, 2121671, 2264705, 6501895, 10608355, 40311749, 201558745]

約数ペア:

[(1, 201558745), (5, 40311749), (19, 10608355), (31, 6501895), (89, 2264705), (95, 2121671), (155, 1300379), (445, 452941), (589, 342205), (769, 262105), (1691, 119195), (2759, 73055), (2945, 68441), (3845, 52421), (8455, 23839), (13795, 14611)]