209324916

素因数分解:

$2^2\times 3^2\times {\mathrm{61}}^1\times {\mathrm{199}}^1\times {\mathrm{479}}^1$

素因数の和:749

約数の個数: 72

約数和(自身を含む): 541632000

約数和(自身を除く): 332307084

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 61, 122, 183, 199, 244, 366, 398, 479, 549, 597, 732, 796, 958, 1098, 1194, 1437, 1791, 1916, 2196, 2388, 2874, 3582, 4311, 5748, 7164, 8622, 12139, 17244, 24278, 29219, 36417, 48556, 58438, 72834, 87657, 95321, 109251, 116876, 145668, 175314, 190642, 218502, 262971, 285963, 350628, 381284, 437004, 525942, 571926, 857889, 1051884, 1143852, 1715778, 3431556, 5814581, 11629162, 17443743, 23258324, 34887486, 52331229, 69774972, 104662458, 209324916]

約数ペア:

[(1, 209324916), (2, 104662458), (3, 69774972), (4, 52331229), (6, 34887486), (9, 23258324), (12, 17443743), (18, 11629162), (36, 5814581), (61, 3431556), (122, 1715778), (183, 1143852), (199, 1051884), (244, 857889), (366, 571926), (398, 525942), (479, 437004), (549, 381284), (597, 350628), (732, 285963), (796, 262971), (958, 218502), (1098, 190642), (1194, 175314), (1437, 145668), (1791, 116876), (1916, 109251), (2196, 95321), (2388, 87657), (2874, 72834), (3582, 58438), (4311, 48556), (5748, 36417), (7164, 29219), (8622, 24278), (12139, 17244)]