78495664

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{79}}^1\times {\mathrm{281}}^1$

素因数の和:398

約数の個数: 80

約数和(自身を含む): 176238720

約数和(自身を除く): 97743056

約数列:

[1, 2, 4, 8, 13, 16, 17, 26, 34, 52, 68, 79, 104, 136, 158, 208, 221, 272, 281, 316, 442, 562, 632, 884, 1027, 1124, 1264, 1343, 1768, 2054, 2248, 2686, 3536, 3653, 4108, 4496, 4777, 5372, 7306, 8216, 9554, 10744, 14612, 16432, 17459, 19108, 21488, 22199, 29224, 34918, 38216, 44398, 58448, 62101, 69836, 76432, 88796, 124202, 139672, 177592, 248404, 279344, 288587, 355184, 377383, 496808, 577174, 754766, 993616, 1154348, 1509532, 2308696, 3019064, 4617392, 4905979, 6038128, 9811958, 19623916, 39247832, 78495664]

約数ペア:

[(1, 78495664), (2, 39247832), (4, 19623916), (8, 9811958), (13, 6038128), (16, 4905979), (17, 4617392), (26, 3019064), (34, 2308696), (52, 1509532), (68, 1154348), (79, 993616), (104, 754766), (136, 577174), (158, 496808), (208, 377383), (221, 355184), (272, 288587), (281, 279344), (316, 248404), (442, 177592), (562, 139672), (632, 124202), (884, 88796), (1027, 76432), (1124, 69836), (1264, 62101), (1343, 58448), (1768, 44398), (2054, 38216), (2248, 34918), (2686, 29224), (3536, 22199), (3653, 21488), (4108, 19108), (4496, 17459), (4777, 16432), (5372, 14612), (7306, 10744), (8216, 9554)]