971707975

素因数分解:

$5^2\times 7^2\times {\mathrm{19}}^1\times {\mathrm{83}}^1\times {\mathrm{503}}^1$

素因数の和:629

約数の個数: 72

約数和(自身を含む): 1496154240

約数和(自身を除く): 524446265

約数列:

[1, 5, 7, 19, 25, 35, 49, 83, 95, 133, 175, 245, 415, 475, 503, 581, 665, 931, 1225, 1577, 2075, 2515, 2905, 3325, 3521, 4067, 4655, 7885, 9557, 11039, 12575, 14525, 17605, 20335, 23275, 24647, 39425, 41749, 47785, 55195, 66899, 77273, 88025, 101675, 123235, 208745, 238925, 275975, 292243, 334495, 386365, 468293, 616175, 793231, 1043725, 1461215, 1672475, 1931825, 2045701, 2341465, 3966155, 5552617, 7306075, 10228505, 11707325, 19830775, 27763085, 38868319, 51142525, 138815425, 194341595, 971707975]

約数ペア:

[(1, 971707975), (5, 194341595), (7, 138815425), (19, 51142525), (25, 38868319), (35, 27763085), (49, 19830775), (83, 11707325), (95, 10228505), (133, 7306075), (175, 5552617), (245, 3966155), (415, 2341465), (475, 2045701), (503, 1931825), (581, 1672475), (665, 1461215), (931, 1043725), (1225, 793231), (1577, 616175), (2075, 468293), (2515, 386365), (2905, 334495), (3325, 292243), (3521, 275975), (4067, 238925), (4655, 208745), (7885, 123235), (9557, 101675), (11039, 88025), (12575, 77273), (14525, 66899), (17605, 55195), (20335, 47785), (23275, 41749), (24647, 39425)]