17551990

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{67}}^2$

素因数の和:181

約数の個数: 48

約数和(自身を含む): 35435232

約数和(自身を除く): 17883242

約数列:

[1, 2, 5, 10, 17, 23, 34, 46, 67, 85, 115, 134, 170, 230, 335, 391, 670, 782, 1139, 1541, 1955, 2278, 3082, 3910, 4489, 5695, 7705, 8978, 11390, 15410, 22445, 26197, 44890, 52394, 76313, 103247, 130985, 152626, 206494, 261970, 381565, 516235, 763130, 1032470, 1755199, 3510398, 8775995, 17551990]

約数ペア:

[(1, 17551990), (2, 8775995), (5, 3510398), (10, 1755199), (17, 1032470), (23, 763130), (34, 516235), (46, 381565), (67, 261970), (85, 206494), (115, 152626), (134, 130985), (170, 103247), (230, 76313), (335, 52394), (391, 44890), (670, 26197), (782, 22445), (1139, 15410), (1541, 11390), (1955, 8978), (2278, 7705), (3082, 5695), (3910, 4489)]