201639728215

素因数分解:

$5^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{61}}^1\times {\mathrm{401}}^1\times {\mathrm{1667}}^1$

素因数の和:2200

約数の個数: 64

約数和(自身を含む): 263407997952

約数和(自身を除く): 61768269737

約数列:

[1, 5, 23, 43, 61, 115, 215, 305, 401, 989, 1403, 1667, 2005, 2623, 4945, 7015, 8335, 9223, 13115, 17243, 24461, 38341, 46115, 60329, 71681, 86215, 101687, 122305, 191705, 301645, 358405, 396589, 508435, 562603, 668467, 1051823, 1648663, 1982945, 2338801, 2813015, 3342335, 4372541, 5259115, 8243315, 11694005, 15374741, 21862705, 24191929, 28744081, 40776487, 76873705, 100568443, 120959645, 143720405, 203882435, 502842215, 661113863, 937859201, 1753388941, 3305569315, 4689296005, 8766944705, 40327945643, 201639728215]

約数ペア:

[(1, 201639728215), (5, 40327945643), (23, 8766944705), (43, 4689296005), (61, 3305569315), (115, 1753388941), (215, 937859201), (305, 661113863), (401, 502842215), (989, 203882435), (1403, 143720405), (1667, 120959645), (2005, 100568443), (2623, 76873705), (4945, 40776487), (7015, 28744081), (8335, 24191929), (9223, 21862705), (13115, 15374741), (17243, 11694005), (24461, 8243315), (38341, 5259115), (46115, 4372541), (60329, 3342335), (71681, 2813015), (86215, 2338801), (101687, 1982945), (122305, 1648663), (191705, 1051823), (301645, 668467), (358405, 562603), (396589, 508435)]