28444675

素因数分解:

$5^2\times 7^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{191}}^1$

素因数の和:268

約数の個数: 48

約数和(自身を含む): 43425792

約数和(自身を除く): 14981117

約数列:

[1, 5, 7, 23, 25, 35, 37, 115, 161, 175, 185, 191, 259, 575, 805, 851, 925, 955, 1295, 1337, 4025, 4255, 4393, 4775, 5957, 6475, 6685, 7067, 21275, 21965, 29785, 30751, 33425, 35335, 49469, 109825, 148925, 153755, 162541, 176675, 247345, 768775, 812705, 1137787, 1236725, 4063525, 5688935, 28444675]

約数ペア:

[(1, 28444675), (5, 5688935), (7, 4063525), (23, 1236725), (25, 1137787), (35, 812705), (37, 768775), (115, 247345), (161, 176675), (175, 162541), (185, 153755), (191, 148925), (259, 109825), (575, 49469), (805, 35335), (851, 33425), (925, 30751), (955, 29785), (1295, 21965), (1337, 21275), (4025, 7067), (4255, 6685), (4393, 6475), (4775, 5957)]