78143975

素因数分解:

$5^2\times 7^3\times {\mathrm{13}}^1\times {\mathrm{701}}^1$

素因数の和:745

約数の個数: 48

約数和(自身を含む): 121867200

約数和(自身を除く): 43723225

約数列:

[1, 5, 7, 13, 25, 35, 49, 65, 91, 175, 245, 325, 343, 455, 637, 701, 1225, 1715, 2275, 3185, 3505, 4459, 4907, 8575, 9113, 15925, 17525, 22295, 24535, 34349, 45565, 63791, 111475, 122675, 171745, 227825, 240443, 318955, 446537, 858725, 1202215, 1594775, 2232685, 3125759, 6011075, 11163425, 15628795, 78143975]

約数ペア:

[(1, 78143975), (5, 15628795), (7, 11163425), (13, 6011075), (25, 3125759), (35, 2232685), (49, 1594775), (65, 1202215), (91, 858725), (175, 446537), (245, 318955), (325, 240443), (343, 227825), (455, 171745), (637, 122675), (701, 111475), (1225, 63791), (1715, 45565), (2275, 34349), (3185, 24535), (3505, 22295), (4459, 17525), (4907, 15925), (8575, 9113)]