28345668

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{109}}^1\times {\mathrm{1667}}^1$

素因数の和:1796

約数の個数: 48

約数和(自身を含む): 71924160

約数和(自身を除く): 43578492

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 39, 52, 78, 109, 156, 218, 327, 436, 654, 1308, 1417, 1667, 2834, 3334, 4251, 5001, 5668, 6668, 8502, 10002, 17004, 20004, 21671, 43342, 65013, 86684, 130026, 181703, 260052, 363406, 545109, 726812, 1090218, 2180436, 2362139, 4724278, 7086417, 9448556, 14172834, 28345668]

約数ペア:

[(1, 28345668), (2, 14172834), (3, 9448556), (4, 7086417), (6, 4724278), (12, 2362139), (13, 2180436), (26, 1090218), (39, 726812), (52, 545109), (78, 363406), (109, 260052), (156, 181703), (218, 130026), (327, 86684), (436, 65013), (654, 43342), (1308, 21671), (1417, 20004), (1667, 17004), (2834, 10002), (3334, 8502), (4251, 6668), (5001, 5668)]