213187758

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{383}}^1\times {\mathrm{457}}^1$

素因数の和:881

約数の個数: 64

約数和(自身を含む): 506511360

約数和(自身を除く): 293323602

約数列:

[1, 2, 3, 6, 7, 14, 21, 29, 42, 58, 87, 174, 203, 383, 406, 457, 609, 766, 914, 1149, 1218, 1371, 2298, 2681, 2742, 3199, 5362, 6398, 8043, 9597, 11107, 13253, 16086, 19194, 22214, 26506, 33321, 39759, 66642, 77749, 79518, 92771, 155498, 175031, 185542, 233247, 278313, 350062, 466494, 525093, 556626, 1050186, 1225217, 2450434, 3675651, 5075899, 7351302, 10151798, 15227697, 30455394, 35531293, 71062586, 106593879, 213187758]

約数ペア:

[(1, 213187758), (2, 106593879), (3, 71062586), (6, 35531293), (7, 30455394), (14, 15227697), (21, 10151798), (29, 7351302), (42, 5075899), (58, 3675651), (87, 2450434), (174, 1225217), (203, 1050186), (383, 556626), (406, 525093), (457, 466494), (609, 350062), (766, 278313), (914, 233247), (1149, 185542), (1218, 175031), (1371, 155498), (2298, 92771), (2681, 79518), (2742, 77749), (3199, 66642), (5362, 39759), (6398, 33321), (8043, 26506), (9597, 22214), (11107, 19194), (13253, 16086)]