28742076

素因数分解:

$2^2\times 3^2\times {\mathrm{11}}^1\times {\mathrm{181}}^1\times {\mathrm{401}}^1$

素因数の和:603

約数の個数: 72

約数和(自身を含む): 79895088

約数和(自身を除く): 51153012

約数列:

[1, 2, 3, 4, 6, 9, 11, 12, 18, 22, 33, 36, 44, 66, 99, 132, 181, 198, 362, 396, 401, 543, 724, 802, 1086, 1203, 1604, 1629, 1991, 2172, 2406, 3258, 3609, 3982, 4411, 4812, 5973, 6516, 7218, 7964, 8822, 11946, 13233, 14436, 17644, 17919, 23892, 26466, 35838, 39699, 52932, 71676, 72581, 79398, 145162, 158796, 217743, 290324, 435486, 653229, 798391, 870972, 1306458, 1596782, 2395173, 2612916, 3193564, 4790346, 7185519, 9580692, 14371038, 28742076]

約数ペア:

[(1, 28742076), (2, 14371038), (3, 9580692), (4, 7185519), (6, 4790346), (9, 3193564), (11, 2612916), (12, 2395173), (18, 1596782), (22, 1306458), (33, 870972), (36, 798391), (44, 653229), (66, 435486), (99, 290324), (132, 217743), (181, 158796), (198, 145162), (362, 79398), (396, 72581), (401, 71676), (543, 52932), (724, 39699), (802, 35838), (1086, 26466), (1203, 23892), (1604, 17919), (1629, 17644), (1991, 14436), (2172, 13233), (2406, 11946), (3258, 8822), (3609, 7964), (3982, 7218), (4411, 6516), (4812, 5973)]