28571790

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{1201}}^1$

素因数の和:1285

約数の個数: 64

約数和(自身を含む): 75120192

約数和(自身を除く): 46548402

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 39, 61, 65, 78, 122, 130, 183, 195, 305, 366, 390, 610, 793, 915, 1201, 1586, 1830, 2379, 2402, 3603, 3965, 4758, 6005, 7206, 7930, 11895, 12010, 15613, 18015, 23790, 31226, 36030, 46839, 73261, 78065, 93678, 146522, 156130, 219783, 234195, 366305, 439566, 468390, 732610, 952393, 1098915, 1904786, 2197830, 2857179, 4761965, 5714358, 9523930, 14285895, 28571790]

約数ペア:

[(1, 28571790), (2, 14285895), (3, 9523930), (5, 5714358), (6, 4761965), (10, 2857179), (13, 2197830), (15, 1904786), (26, 1098915), (30, 952393), (39, 732610), (61, 468390), (65, 439566), (78, 366305), (122, 234195), (130, 219783), (183, 156130), (195, 146522), (305, 93678), (366, 78065), (390, 73261), (610, 46839), (793, 36030), (915, 31226), (1201, 23790), (1586, 18015), (1830, 15613), (2379, 12010), (2402, 11895), (3603, 7930), (3965, 7206), (4758, 6005)]