207873908

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{19}}^2\times {\mathrm{23}}^1\times {\mathrm{569}}^1$

素因数の和:645

約数の個数: 72

約数和(自身を含む): 437814720

約数和(自身を除く): 229940812

約数列:

[1, 2, 4, 11, 19, 22, 23, 38, 44, 46, 76, 92, 209, 253, 361, 418, 437, 506, 569, 722, 836, 874, 1012, 1138, 1444, 1748, 2276, 3971, 4807, 6259, 7942, 8303, 9614, 10811, 12518, 13087, 15884, 16606, 19228, 21622, 25036, 26174, 33212, 43244, 52348, 91333, 118921, 143957, 182666, 205409, 237842, 248653, 287914, 365332, 410818, 475684, 497306, 575828, 821636, 994612, 2259499, 2735183, 4518998, 4724407, 5470366, 9037996, 9448814, 10940732, 18897628, 51968477, 103936954, 207873908]

約数ペア:

[(1, 207873908), (2, 103936954), (4, 51968477), (11, 18897628), (19, 10940732), (22, 9448814), (23, 9037996), (38, 5470366), (44, 4724407), (46, 4518998), (76, 2735183), (92, 2259499), (209, 994612), (253, 821636), (361, 575828), (418, 497306), (437, 475684), (506, 410818), (569, 365332), (722, 287914), (836, 248653), (874, 237842), (1012, 205409), (1138, 182666), (1444, 143957), (1748, 118921), (2276, 91333), (3971, 52348), (4807, 43244), (6259, 33212), (7942, 26174), (8303, 25036), (9614, 21622), (10811, 19228), (12518, 16606), (13087, 15884)]