161716788

素因数分解:

$2^2\times 3^2\times {\mathrm{37}}^1\times {\mathrm{167}}^1\times {\mathrm{727}}^1$

素因数の和:941

約数の個数: 72

約数和(自身を含む): 422927232

約数和(自身を除く): 261210444

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 37, 74, 111, 148, 167, 222, 333, 334, 444, 501, 666, 668, 727, 1002, 1332, 1454, 1503, 2004, 2181, 2908, 3006, 4362, 6012, 6179, 6543, 8724, 12358, 13086, 18537, 24716, 26172, 26899, 37074, 53798, 55611, 74148, 80697, 107596, 111222, 121409, 161394, 222444, 242091, 242818, 322788, 364227, 484182, 485636, 728454, 968364, 1092681, 1456908, 2185362, 4370724, 4492133, 8984266, 13476399, 17968532, 26952798, 40429197, 53905596, 80858394, 161716788]

約数ペア:

[(1, 161716788), (2, 80858394), (3, 53905596), (4, 40429197), (6, 26952798), (9, 17968532), (12, 13476399), (18, 8984266), (36, 4492133), (37, 4370724), (74, 2185362), (111, 1456908), (148, 1092681), (167, 968364), (222, 728454), (333, 485636), (334, 484182), (444, 364227), (501, 322788), (666, 242818), (668, 242091), (727, 222444), (1002, 161394), (1332, 121409), (1454, 111222), (1503, 107596), (2004, 80697), (2181, 74148), (2908, 55611), (3006, 53798), (4362, 37074), (6012, 26899), (6179, 26172), (6543, 24716), (8724, 18537), (12358, 13086)]