28909452

素因数分解:

$2^2\times 3^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{991}}^1$

素因数の和:1039

約数の個数: 96

約数和(自身を含む): 83994624

約数和(自身を除く): 55085172

約数列:

[1, 2, 3, 4, 6, 11, 12, 13, 17, 22, 26, 33, 34, 39, 44, 51, 52, 66, 68, 78, 102, 132, 143, 156, 187, 204, 221, 286, 374, 429, 442, 561, 572, 663, 748, 858, 884, 991, 1122, 1326, 1716, 1982, 2244, 2431, 2652, 2973, 3964, 4862, 5946, 7293, 9724, 10901, 11892, 12883, 14586, 16847, 21802, 25766, 29172, 32703, 33694, 38649, 43604, 50541, 51532, 65406, 67388, 77298, 101082, 130812, 141713, 154596, 185317, 202164, 219011, 283426, 370634, 425139, 438022, 555951, 566852, 657033, 741268, 850278, 876044, 1111902, 1314066, 1700556, 2223804, 2409121, 2628132, 4818242, 7227363, 9636484, 14454726, 28909452]

約数ペア:

[(1, 28909452), (2, 14454726), (3, 9636484), (4, 7227363), (6, 4818242), (11, 2628132), (12, 2409121), (13, 2223804), (17, 1700556), (22, 1314066), (26, 1111902), (33, 876044), (34, 850278), (39, 741268), (44, 657033), (51, 566852), (52, 555951), (66, 438022), (68, 425139), (78, 370634), (102, 283426), (132, 219011), (143, 202164), (156, 185317), (187, 154596), (204, 141713), (221, 130812), (286, 101082), (374, 77298), (429, 67388), (442, 65406), (561, 51532), (572, 50541), (663, 43604), (748, 38649), (858, 33694), (884, 32703), (991, 29172), (1122, 25766), (1326, 21802), (1716, 16847), (1982, 14586), (2244, 12883), (2431, 11892), (2652, 10901), (2973, 9724), (3964, 7293), (4862, 5946)]