81477928

素因数分解:

$2^3\times 7^1\times {\mathrm{19}}^1\times {\mathrm{73}}^1\times {\mathrm{1049}}^1$

素因数の和:1154

約数の個数: 64

約数和(自身を含む): 186480000

約数和(自身を除く): 105002072

約数列:

[1, 2, 4, 7, 8, 14, 19, 28, 38, 56, 73, 76, 133, 146, 152, 266, 292, 511, 532, 584, 1022, 1049, 1064, 1387, 2044, 2098, 2774, 4088, 4196, 5548, 7343, 8392, 9709, 11096, 14686, 19418, 19931, 29372, 38836, 39862, 58744, 76577, 77672, 79724, 139517, 153154, 159448, 279034, 306308, 536039, 558068, 612616, 1072078, 1116136, 1454963, 2144156, 2909926, 4288312, 5819852, 10184741, 11639704, 20369482, 40738964, 81477928]

約数ペア:

[(1, 81477928), (2, 40738964), (4, 20369482), (7, 11639704), (8, 10184741), (14, 5819852), (19, 4288312), (28, 2909926), (38, 2144156), (56, 1454963), (73, 1116136), (76, 1072078), (133, 612616), (146, 558068), (152, 536039), (266, 306308), (292, 279034), (511, 159448), (532, 153154), (584, 139517), (1022, 79724), (1049, 77672), (1064, 76577), (1387, 58744), (2044, 39862), (2098, 38836), (2774, 29372), (4088, 19931), (4196, 19418), (5548, 14686), (7343, 11096), (8392, 9709)]