28967796

素因数分解:

$2^2\times 3^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{331}}^1$

素因数の和:382

約数の個数: 144

約数和(自身を含む): 91361088

約数和(自身を除く): 62393292

約数列:

[1, 2, 3, 4, 6, 9, 11, 12, 13, 17, 18, 22, 26, 33, 34, 36, 39, 44, 51, 52, 66, 68, 78, 99, 102, 117, 132, 143, 153, 156, 187, 198, 204, 221, 234, 286, 306, 331, 374, 396, 429, 442, 468, 561, 572, 612, 662, 663, 748, 858, 884, 993, 1122, 1287, 1324, 1326, 1683, 1716, 1986, 1989, 2244, 2431, 2574, 2652, 2979, 3366, 3641, 3972, 3978, 4303, 4862, 5148, 5627, 5958, 6732, 7282, 7293, 7956, 8606, 9724, 10923, 11254, 11916, 12909, 14564, 14586, 16881, 17212, 21846, 21879, 22508, 25818, 29172, 32769, 33762, 38727, 43692, 43758, 47333, 50643, 51636, 61897, 65538, 67524, 73151, 77454, 87516, 94666, 101286, 123794, 131076, 141999, 146302, 154908, 185691, 189332, 202572, 219453, 247588, 283998, 292604, 371382, 425997, 438906, 557073, 567996, 658359, 742764, 804661, 851994, 877812, 1114146, 1316718, 1609322, 1703988, 2228292, 2413983, 2633436, 3218644, 4827966, 7241949, 9655932, 14483898, 28967796]

約数ペア:

[(1, 28967796), (2, 14483898), (3, 9655932), (4, 7241949), (6, 4827966), (9, 3218644), (11, 2633436), (12, 2413983), (13, 2228292), (17, 1703988), (18, 1609322), (22, 1316718), (26, 1114146), (33, 877812), (34, 851994), (36, 804661), (39, 742764), (44, 658359), (51, 567996), (52, 557073), (66, 438906), (68, 425997), (78, 371382), (99, 292604), (102, 283998), (117, 247588), (132, 219453), (143, 202572), (153, 189332), (156, 185691), (187, 154908), (198, 146302), (204, 141999), (221, 131076), (234, 123794), (286, 101286), (306, 94666), (331, 87516), (374, 77454), (396, 73151), (429, 67524), (442, 65538), (468, 61897), (561, 51636), (572, 50643), (612, 47333), (662, 43758), (663, 43692), (748, 38727), (858, 33762), (884, 32769), (993, 29172), (1122, 25818), (1287, 22508), (1324, 21879), (1326, 21846), (1683, 17212), (1716, 16881), (1986, 14586), (1989, 14564), (2244, 12909), (2431, 11916), (2574, 11254), (2652, 10923), (2979, 9724), (3366, 8606), (3641, 7956), (3972, 7293), (3978, 7282), (4303, 6732), (4862, 5958), (5148, 5627)]