287642988

素因数分解:

$2^2\times 3^7\times {\mathrm{131}}^1\times {\mathrm{251}}^1$

素因数の和:407

約数の個数: 96

約数和(自身を含む): 763741440

約数和(自身を除く): 476098452

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 54, 81, 108, 131, 162, 243, 251, 262, 324, 393, 486, 502, 524, 729, 753, 786, 972, 1004, 1179, 1458, 1506, 1572, 2187, 2259, 2358, 2916, 3012, 3537, 4374, 4518, 4716, 6777, 7074, 8748, 9036, 10611, 13554, 14148, 20331, 21222, 27108, 31833, 32881, 40662, 42444, 60993, 63666, 65762, 81324, 95499, 98643, 121986, 127332, 131524, 182979, 190998, 197286, 243972, 286497, 295929, 365958, 381996, 394572, 548937, 572994, 591858, 731916, 887787, 1097874, 1145988, 1183716, 1775574, 2195748, 2663361, 3551148, 5326722, 7990083, 10653444, 15980166, 23970249, 31960332, 47940498, 71910747, 95880996, 143821494, 287642988]

約数ペア:

[(1, 287642988), (2, 143821494), (3, 95880996), (4, 71910747), (6, 47940498), (9, 31960332), (12, 23970249), (18, 15980166), (27, 10653444), (36, 7990083), (54, 5326722), (81, 3551148), (108, 2663361), (131, 2195748), (162, 1775574), (243, 1183716), (251, 1145988), (262, 1097874), (324, 887787), (393, 731916), (486, 591858), (502, 572994), (524, 548937), (729, 394572), (753, 381996), (786, 365958), (972, 295929), (1004, 286497), (1179, 243972), (1458, 197286), (1506, 190998), (1572, 182979), (2187, 131524), (2259, 127332), (2358, 121986), (2916, 98643), (3012, 95499), (3537, 81324), (4374, 65762), (4518, 63666), (4716, 60993), (6777, 42444), (7074, 40662), (8748, 32881), (9036, 31833), (10611, 27108), (13554, 21222), (14148, 20331)]