636954985

素因数分解:

$5^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{61}}^1\times {\mathrm{101}}^1$

素因数の和:250

約数の個数: 64

約数和(自身を含む): 874229760

約数和(自身を除く): 237274775

約数列:

[1, 5, 23, 29, 31, 61, 101, 115, 145, 155, 305, 505, 667, 713, 899, 1403, 1769, 1891, 2323, 2929, 3131, 3335, 3565, 4495, 6161, 7015, 8845, 9455, 11615, 14645, 15655, 20677, 30805, 40687, 43493, 54839, 67367, 72013, 90799, 103385, 141703, 178669, 190991, 203435, 217465, 274195, 336835, 360065, 453995, 708515, 893345, 954955, 1261297, 2088377, 4109387, 4392793, 5538739, 6306485, 10441885, 20546935, 21963965, 27693695, 127390997, 636954985]

約数ペア:

[(1, 636954985), (5, 127390997), (23, 27693695), (29, 21963965), (31, 20546935), (61, 10441885), (101, 6306485), (115, 5538739), (145, 4392793), (155, 4109387), (305, 2088377), (505, 1261297), (667, 954955), (713, 893345), (899, 708515), (1403, 453995), (1769, 360065), (1891, 336835), (2323, 274195), (2929, 217465), (3131, 203435), (3335, 190991), (3565, 178669), (4495, 141703), (6161, 103385), (7015, 90799), (8845, 72013), (9455, 67367), (11615, 54839), (14645, 43493), (15655, 40687), (20677, 30805)]