807327575

素因数分解:

$5^2\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{109}}^1\times {\mathrm{503}}^1$

素因数の和:672

約数の個数: 48

約数和(自身を含む): 1099929600

約数和(自身を除く): 292602025

約数列:

[1, 5, 19, 25, 31, 95, 109, 155, 475, 503, 545, 589, 775, 2071, 2515, 2725, 2945, 3379, 9557, 10355, 12575, 14725, 15593, 16895, 47785, 51775, 54827, 64201, 77965, 84475, 238925, 274135, 296267, 321005, 389825, 1041713, 1370675, 1481335, 1605025, 1699637, 5208565, 7406675, 8498185, 26042825, 32293103, 42490925, 161465515, 807327575]

約数ペア:

[(1, 807327575), (5, 161465515), (19, 42490925), (25, 32293103), (31, 26042825), (95, 8498185), (109, 7406675), (155, 5208565), (475, 1699637), (503, 1605025), (545, 1481335), (589, 1370675), (775, 1041713), (2071, 389825), (2515, 321005), (2725, 296267), (2945, 274135), (3379, 238925), (9557, 84475), (10355, 77965), (12575, 64201), (14725, 54827), (15593, 51775), (16895, 47785)]