201561256

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{101}}^1\times {\mathrm{619}}^1$

素因数の和:770

約数の個数: 64

約数和(自身を含む): 424972800

約数和(自身を除く): 223411544

約数列:

[1, 2, 4, 8, 13, 26, 31, 52, 62, 101, 104, 124, 202, 248, 403, 404, 619, 806, 808, 1238, 1313, 1612, 2476, 2626, 3131, 3224, 4952, 5252, 6262, 8047, 10504, 12524, 16094, 19189, 25048, 32188, 38378, 40703, 62519, 64376, 76756, 81406, 125038, 153512, 162812, 249457, 250076, 325624, 498914, 500152, 812747, 997828, 1625494, 1938089, 1995656, 3250988, 3876178, 6501976, 7752356, 15504712, 25195157, 50390314, 100780628, 201561256]

約数ペア:

[(1, 201561256), (2, 100780628), (4, 50390314), (8, 25195157), (13, 15504712), (26, 7752356), (31, 6501976), (52, 3876178), (62, 3250988), (101, 1995656), (104, 1938089), (124, 1625494), (202, 997828), (248, 812747), (403, 500152), (404, 498914), (619, 325624), (806, 250076), (808, 249457), (1238, 162812), (1313, 153512), (1612, 125038), (2476, 81406), (2626, 76756), (3131, 64376), (3224, 62519), (4952, 40703), (5252, 38378), (6262, 32188), (8047, 25048), (10504, 19189), (12524, 16094)]