213139446

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{181}}^1\times {\mathrm{487}}^1$

素因数の和:717

約数の個数: 64

約数和(自身を含む): 477474816

約数和(自身を除く): 264335370

約数列:

[1, 2, 3, 6, 13, 26, 31, 39, 62, 78, 93, 181, 186, 362, 403, 487, 543, 806, 974, 1086, 1209, 1461, 2353, 2418, 2922, 4706, 5611, 6331, 7059, 11222, 12662, 14118, 15097, 16833, 18993, 30194, 33666, 37986, 45291, 72943, 88147, 90582, 145886, 176294, 196261, 218829, 264441, 392522, 437658, 528882, 588783, 1145911, 1177566, 2291822, 2732557, 3437733, 5465114, 6875466, 8197671, 16395342, 35523241, 71046482, 106569723, 213139446]

約数ペア:

[(1, 213139446), (2, 106569723), (3, 71046482), (6, 35523241), (13, 16395342), (26, 8197671), (31, 6875466), (39, 5465114), (62, 3437733), (78, 2732557), (93, 2291822), (181, 1177566), (186, 1145911), (362, 588783), (403, 528882), (487, 437658), (543, 392522), (806, 264441), (974, 218829), (1086, 196261), (1209, 176294), (1461, 145886), (2353, 90582), (2418, 88147), (2922, 72943), (4706, 45291), (5611, 37986), (6331, 33666), (7059, 30194), (11222, 18993), (12662, 16833), (14118, 15097)]