291126208

素因数分解:

$2^6\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{7723}}^1$

素因数の和:7785

約数の個数: 56

約数和(自身を含む): 627806720

約数和(自身を除く): 336680512

約数列:

[1, 2, 4, 8, 16, 19, 31, 32, 38, 62, 64, 76, 124, 152, 248, 304, 496, 589, 608, 992, 1178, 1216, 1984, 2356, 4712, 7723, 9424, 15446, 18848, 30892, 37696, 61784, 123568, 146737, 239413, 247136, 293474, 478826, 494272, 586948, 957652, 1173896, 1915304, 2347792, 3830608, 4548847, 4695584, 7661216, 9097694, 9391168, 15322432, 18195388, 36390776, 72781552, 145563104, 291126208]

約数ペア:

[(1, 291126208), (2, 145563104), (4, 72781552), (8, 36390776), (16, 18195388), (19, 15322432), (31, 9391168), (32, 9097694), (38, 7661216), (62, 4695584), (64, 4548847), (76, 3830608), (124, 2347792), (152, 1915304), (248, 1173896), (304, 957652), (496, 586948), (589, 494272), (608, 478826), (992, 293474), (1178, 247136), (1216, 239413), (1984, 146737), (2356, 123568), (4712, 61784), (7723, 37696), (9424, 30892), (15446, 18848)]