72145554

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{59}}^1\times {\mathrm{61}}^1\times {\mathrm{257}}^1$

素因数の和:395

約数の個数: 64

約数和(自身を含む): 161239680

約数和(自身を除く): 89094126

約数列:

[1, 2, 3, 6, 13, 26, 39, 59, 61, 78, 118, 122, 177, 183, 257, 354, 366, 514, 767, 771, 793, 1534, 1542, 1586, 2301, 2379, 3341, 3599, 4602, 4758, 6682, 7198, 10023, 10797, 15163, 15677, 20046, 21594, 30326, 31354, 45489, 46787, 47031, 90978, 93574, 94062, 140361, 197119, 203801, 280722, 394238, 407602, 591357, 611403, 924943, 1182714, 1222806, 1849886, 2774829, 5549658, 12024259, 24048518, 36072777, 72145554]

約数ペア:

[(1, 72145554), (2, 36072777), (3, 24048518), (6, 12024259), (13, 5549658), (26, 2774829), (39, 1849886), (59, 1222806), (61, 1182714), (78, 924943), (118, 611403), (122, 591357), (177, 407602), (183, 394238), (257, 280722), (354, 203801), (366, 197119), (514, 140361), (767, 94062), (771, 93574), (793, 90978), (1534, 47031), (1542, 46787), (1586, 45489), (2301, 31354), (2379, 30326), (3341, 21594), (3599, 20046), (4602, 15677), (4758, 15163), (6682, 10797), (7198, 10023)]