28082704

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{41}}^1\times {\mathrm{89}}^1$

素因数の和:188

約数の個数: 80

約数和(自身を含む): 62339760

約数和(自身を除く): 34257056

約数列:

[1, 2, 4, 8, 13, 16, 26, 37, 41, 52, 74, 82, 89, 104, 148, 164, 178, 208, 296, 328, 356, 481, 533, 592, 656, 712, 962, 1066, 1157, 1424, 1517, 1924, 2132, 2314, 3034, 3293, 3649, 3848, 4264, 4628, 6068, 6586, 7298, 7696, 8528, 9256, 12136, 13172, 14596, 18512, 19721, 24272, 26344, 29192, 39442, 42809, 47437, 52688, 58384, 78884, 85618, 94874, 135013, 157768, 171236, 189748, 270026, 315536, 342472, 379496, 540052, 684944, 758992, 1080104, 1755169, 2160208, 3510338, 7020676, 14041352, 28082704]

約数ペア:

[(1, 28082704), (2, 14041352), (4, 7020676), (8, 3510338), (13, 2160208), (16, 1755169), (26, 1080104), (37, 758992), (41, 684944), (52, 540052), (74, 379496), (82, 342472), (89, 315536), (104, 270026), (148, 189748), (164, 171236), (178, 157768), (208, 135013), (296, 94874), (328, 85618), (356, 78884), (481, 58384), (533, 52688), (592, 47437), (656, 42809), (712, 39442), (962, 29192), (1066, 26344), (1157, 24272), (1424, 19721), (1517, 18512), (1924, 14596), (2132, 13172), (2314, 12136), (3034, 9256), (3293, 8528), (3649, 7696), (3848, 7298), (4264, 6586), (4628, 6068)]