213857964

素因数分解:

$2^2\times 3^2\times {\mathrm{31}}^1\times {\mathrm{71}}^1\times {\mathrm{2699}}^1$

素因数の和:2811

約数の個数: 72

約数和(自身を含む): 566092800

約数和(自身を除く): 352234836

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 31, 36, 62, 71, 93, 124, 142, 186, 213, 279, 284, 372, 426, 558, 639, 852, 1116, 1278, 2201, 2556, 2699, 4402, 5398, 6603, 8097, 8804, 10796, 13206, 16194, 19809, 24291, 26412, 32388, 39618, 48582, 79236, 83669, 97164, 167338, 191629, 251007, 334676, 383258, 502014, 574887, 753021, 766516, 1004028, 1149774, 1506042, 1724661, 2299548, 3012084, 3449322, 5940499, 6898644, 11880998, 17821497, 23761996, 35642994, 53464491, 71285988, 106928982, 213857964]

約数ペア:

[(1, 213857964), (2, 106928982), (3, 71285988), (4, 53464491), (6, 35642994), (9, 23761996), (12, 17821497), (18, 11880998), (31, 6898644), (36, 5940499), (62, 3449322), (71, 3012084), (93, 2299548), (124, 1724661), (142, 1506042), (186, 1149774), (213, 1004028), (279, 766516), (284, 753021), (372, 574887), (426, 502014), (558, 383258), (639, 334676), (852, 251007), (1116, 191629), (1278, 167338), (2201, 97164), (2556, 83669), (2699, 79236), (4402, 48582), (5398, 39618), (6603, 32388), (8097, 26412), (8804, 24291), (10796, 19809), (13206, 16194)]