31639145

素因数分解:

$5^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{53}}^1\times {\mathrm{179}}^1$

素因数の和:289

約数の個数: 32

約数和(自身を含む): 41990400

約数和(自身を除く): 10351255

約数列:

[1, 5, 23, 29, 53, 115, 145, 179, 265, 667, 895, 1219, 1537, 3335, 4117, 5191, 6095, 7685, 9487, 20585, 25955, 35351, 47435, 119393, 176755, 218201, 275123, 596965, 1091005, 1375615, 6327829, 31639145]

約数ペア:

[(1, 31639145), (5, 6327829), (23, 1375615), (29, 1091005), (53, 596965), (115, 275123), (145, 218201), (179, 176755), (265, 119393), (667, 47435), (895, 35351), (1219, 25955), (1537, 20585), (3335, 9487), (4117, 7685), (5191, 6095)]