1999461568

素因数分解:

$2^6\times {\mathrm{13}}^1\times {\mathrm{157}}^1\times {\mathrm{15307}}^1$

素因数の和:15489

約数の個数: 56

約数和(自身を含む): 4300384592

約数和(自身を除く): 2300923024

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 64, 104, 157, 208, 314, 416, 628, 832, 1256, 2041, 2512, 4082, 5024, 8164, 10048, 15307, 16328, 30614, 32656, 61228, 65312, 122456, 130624, 198991, 244912, 397982, 489824, 795964, 979648, 1591928, 2403199, 3183856, 4806398, 6367712, 9612796, 12735424, 19225592, 31241587, 38451184, 62483174, 76902368, 124966348, 153804736, 249932696, 499865392, 999730784, 1999461568]

約数ペア:

[(1, 1999461568), (2, 999730784), (4, 499865392), (8, 249932696), (13, 153804736), (16, 124966348), (26, 76902368), (32, 62483174), (52, 38451184), (64, 31241587), (104, 19225592), (157, 12735424), (208, 9612796), (314, 6367712), (416, 4806398), (628, 3183856), (832, 2403199), (1256, 1591928), (2041, 979648), (2512, 795964), (4082, 489824), (5024, 397982), (8164, 244912), (10048, 198991), (15307, 130624), (16328, 122456), (30614, 65312), (32656, 61228)]