28138770

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{661}}^1$

素因数の和:728

約数の個数: 96

約数和(自身を含む): 81791424

約数和(自身を除く): 53652654

約数列:

[1, 2, 3, 5, 6, 9, 10, 11, 15, 18, 22, 30, 33, 43, 45, 55, 66, 86, 90, 99, 110, 129, 165, 198, 215, 258, 330, 387, 430, 473, 495, 645, 661, 774, 946, 990, 1290, 1322, 1419, 1935, 1983, 2365, 2838, 3305, 3870, 3966, 4257, 4730, 5949, 6610, 7095, 7271, 8514, 9915, 11898, 14190, 14542, 19830, 21285, 21813, 28423, 29745, 36355, 42570, 43626, 56846, 59490, 65439, 72710, 85269, 109065, 130878, 142115, 170538, 218130, 255807, 284230, 312653, 327195, 426345, 511614, 625306, 654390, 852690, 937959, 1279035, 1563265, 1875918, 2558070, 2813877, 3126530, 4689795, 5627754, 9379590, 14069385, 28138770]

約数ペア:

[(1, 28138770), (2, 14069385), (3, 9379590), (5, 5627754), (6, 4689795), (9, 3126530), (10, 2813877), (11, 2558070), (15, 1875918), (18, 1563265), (22, 1279035), (30, 937959), (33, 852690), (43, 654390), (45, 625306), (55, 511614), (66, 426345), (86, 327195), (90, 312653), (99, 284230), (110, 255807), (129, 218130), (165, 170538), (198, 142115), (215, 130878), (258, 109065), (330, 85269), (387, 72710), (430, 65439), (473, 59490), (495, 56846), (645, 43626), (661, 42570), (774, 36355), (946, 29745), (990, 28423), (1290, 21813), (1322, 21285), (1419, 19830), (1935, 14542), (1983, 14190), (2365, 11898), (2838, 9915), (3305, 8514), (3870, 7271), (3966, 7095), (4257, 6610), (4730, 5949)]