258889722

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{137}}^1\times {\mathrm{3461}}^1$

素因数の和:3623

約数の個数: 64

約数和(自身を含む): 642104064

約数和(自身を除く): 383214342

約数列:

[1, 2, 3, 6, 7, 13, 14, 21, 26, 39, 42, 78, 91, 137, 182, 273, 274, 411, 546, 822, 959, 1781, 1918, 2877, 3461, 3562, 5343, 5754, 6922, 10383, 10686, 12467, 20766, 24227, 24934, 37401, 44993, 48454, 72681, 74802, 89986, 134979, 145362, 269958, 314951, 474157, 629902, 944853, 948314, 1422471, 1889706, 2844942, 3319099, 6164041, 6638198, 9957297, 12328082, 18492123, 19914594, 36984246, 43148287, 86296574, 129444861, 258889722]

約数ペア:

[(1, 258889722), (2, 129444861), (3, 86296574), (6, 43148287), (7, 36984246), (13, 19914594), (14, 18492123), (21, 12328082), (26, 9957297), (39, 6638198), (42, 6164041), (78, 3319099), (91, 2844942), (137, 1889706), (182, 1422471), (273, 948314), (274, 944853), (411, 629902), (546, 474157), (822, 314951), (959, 269958), (1781, 145362), (1918, 134979), (2877, 89986), (3461, 74802), (3562, 72681), (5343, 48454), (5754, 44993), (6922, 37401), (10383, 24934), (10686, 24227), (12467, 20766)]