1285304865

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{107}}^1\times {\mathrm{229}}^1\times {\mathrm{269}}^1$

素因数の和:626

約数の個数: 64

約数和(自身を含む): 2253484800

約数和(自身を除く): 968179935

約数列:

[1, 3, 5, 13, 15, 39, 65, 107, 195, 229, 269, 321, 535, 687, 807, 1145, 1345, 1391, 1605, 2977, 3435, 3497, 4035, 4173, 6955, 8931, 10491, 14885, 17485, 20865, 24503, 28783, 44655, 52455, 61601, 73509, 86349, 122515, 143915, 184803, 308005, 318539, 367545, 374179, 431745, 800813, 924015, 955617, 1122537, 1592695, 1870895, 2402439, 4004065, 4778085, 5612685, 6591307, 12012195, 19773921, 32956535, 85686991, 98869605, 257060973, 428434955, 1285304865]

約数ペア:

[(1, 1285304865), (3, 428434955), (5, 257060973), (13, 98869605), (15, 85686991), (39, 32956535), (65, 19773921), (107, 12012195), (195, 6591307), (229, 5612685), (269, 4778085), (321, 4004065), (535, 2402439), (687, 1870895), (807, 1592695), (1145, 1122537), (1345, 955617), (1391, 924015), (1605, 800813), (2977, 431745), (3435, 374179), (3497, 367545), (4035, 318539), (4173, 308005), (6955, 184803), (8931, 143915), (10491, 122515), (14885, 86349), (17485, 73509), (20865, 61601), (24503, 52455), (28783, 44655)]