1277920384

素因数分解:

$2^7\times {\mathrm{13}}^1\times {\mathrm{89}}^1\times {\mathrm{8629}}^1$

素因数の和:8745

約数の個数: 64

約数和(自身を含む): 2772819000

約数和(自身を除く): 1494898616

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 64, 89, 104, 128, 178, 208, 356, 416, 712, 832, 1157, 1424, 1664, 2314, 2848, 4628, 5696, 8629, 9256, 11392, 17258, 18512, 34516, 37024, 69032, 74048, 112177, 138064, 148096, 224354, 276128, 448708, 552256, 767981, 897416, 1104512, 1535962, 1794832, 3071924, 3589664, 6143848, 7179328, 9983753, 12287696, 14358656, 19967506, 24575392, 39935012, 49150784, 79870024, 98301568, 159740048, 319480096, 638960192, 1277920384]

約数ペア:

[(1, 1277920384), (2, 638960192), (4, 319480096), (8, 159740048), (13, 98301568), (16, 79870024), (26, 49150784), (32, 39935012), (52, 24575392), (64, 19967506), (89, 14358656), (104, 12287696), (128, 9983753), (178, 7179328), (208, 6143848), (356, 3589664), (416, 3071924), (712, 1794832), (832, 1535962), (1157, 1104512), (1424, 897416), (1664, 767981), (2314, 552256), (2848, 448708), (4628, 276128), (5696, 224354), (8629, 148096), (9256, 138064), (11392, 112177), (17258, 74048), (18512, 69032), (34516, 37024)]