72287285

素因数分解:

$5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{229}}^1\times {\mathrm{311}}^1$

素因数の和:581

約数の個数: 32

約数和(自身を含む): 103334400

約数和(自身を除く): 31047115

約数列:

[1, 5, 7, 29, 35, 145, 203, 229, 311, 1015, 1145, 1555, 1603, 2177, 6641, 8015, 9019, 10885, 33205, 45095, 46487, 63133, 71219, 232435, 315665, 356095, 498533, 2065351, 2492665, 10326755, 14457457, 72287285]

約数ペア:

[(1, 72287285), (5, 14457457), (7, 10326755), (29, 2492665), (35, 2065351), (145, 498533), (203, 356095), (229, 315665), (311, 232435), (1015, 71219), (1145, 63133), (1555, 46487), (1603, 45095), (2177, 33205), (6641, 10885), (8015, 9019)]