28119156

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{461}}^1$

素因数の和:521

約数の個数: 96

約数和(自身を含む): 78236928

約数和(自身を除く): 50117772

約数列:

[1, 2, 3, 4, 6, 12, 13, 17, 23, 26, 34, 39, 46, 51, 52, 68, 69, 78, 92, 102, 138, 156, 204, 221, 276, 299, 391, 442, 461, 598, 663, 782, 884, 897, 922, 1173, 1196, 1326, 1383, 1564, 1794, 1844, 2346, 2652, 2766, 3588, 4692, 5083, 5532, 5993, 7837, 10166, 10603, 11986, 15249, 15674, 17979, 20332, 21206, 23511, 23972, 30498, 31348, 31809, 35958, 42412, 47022, 60996, 63618, 71916, 94044, 101881, 127236, 137839, 180251, 203762, 275678, 305643, 360502, 407524, 413517, 540753, 551356, 611286, 721004, 827034, 1081506, 1222572, 1654068, 2163012, 2343263, 4686526, 7029789, 9373052, 14059578, 28119156]

約数ペア:

[(1, 28119156), (2, 14059578), (3, 9373052), (4, 7029789), (6, 4686526), (12, 2343263), (13, 2163012), (17, 1654068), (23, 1222572), (26, 1081506), (34, 827034), (39, 721004), (46, 611286), (51, 551356), (52, 540753), (68, 413517), (69, 407524), (78, 360502), (92, 305643), (102, 275678), (138, 203762), (156, 180251), (204, 137839), (221, 127236), (276, 101881), (299, 94044), (391, 71916), (442, 63618), (461, 60996), (598, 47022), (663, 42412), (782, 35958), (884, 31809), (897, 31348), (922, 30498), (1173, 23972), (1196, 23511), (1326, 21206), (1383, 20332), (1564, 17979), (1794, 15674), (1844, 15249), (2346, 11986), (2652, 10603), (2766, 10166), (3588, 7837), (4692, 5993), (5083, 5532)]