28936145

素因数分解:

$5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{53}}^1\times {\mathrm{821}}^1$

素因数の和:905

約数の個数: 32

約数和(自身を含む): 42612480

約数和(自身を除く): 13676335

約数列:

[1, 5, 7, 19, 35, 53, 95, 133, 265, 371, 665, 821, 1007, 1855, 4105, 5035, 5747, 7049, 15599, 28735, 35245, 43513, 77995, 109193, 217565, 304591, 545965, 826747, 1522955, 4133735, 5787229, 28936145]

約数ペア:

[(1, 28936145), (5, 5787229), (7, 4133735), (19, 1522955), (35, 826747), (53, 545965), (95, 304591), (133, 217565), (265, 109193), (371, 77995), (665, 43513), (821, 35245), (1007, 28735), (1855, 15599), (4105, 7049), (5035, 5747)]