161563896

素因数分解:

$2^3\times 3^6\times {\mathrm{13}}^1\times {\mathrm{2131}}^1$

素因数の和:2168

約数の個数: 112

約数和(自身を含む): 489357960

約数和(自身を除く): 327794064

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 18, 24, 26, 27, 36, 39, 52, 54, 72, 78, 81, 104, 108, 117, 156, 162, 216, 234, 243, 312, 324, 351, 468, 486, 648, 702, 729, 936, 972, 1053, 1404, 1458, 1944, 2106, 2131, 2808, 2916, 3159, 4212, 4262, 5832, 6318, 6393, 8424, 8524, 9477, 12636, 12786, 17048, 18954, 19179, 25272, 25572, 27703, 37908, 38358, 51144, 55406, 57537, 75816, 76716, 83109, 110812, 115074, 153432, 166218, 172611, 221624, 230148, 249327, 332436, 345222, 460296, 498654, 517833, 664872, 690444, 747981, 997308, 1035666, 1380888, 1495962, 1553499, 1994616, 2071332, 2243943, 2991924, 3106998, 4142664, 4487886, 5983848, 6213996, 6731829, 8975772, 12427992, 13463658, 17951544, 20195487, 26927316, 40390974, 53854632, 80781948, 161563896]

約数ペア:

[(1, 161563896), (2, 80781948), (3, 53854632), (4, 40390974), (6, 26927316), (8, 20195487), (9, 17951544), (12, 13463658), (13, 12427992), (18, 8975772), (24, 6731829), (26, 6213996), (27, 5983848), (36, 4487886), (39, 4142664), (52, 3106998), (54, 2991924), (72, 2243943), (78, 2071332), (81, 1994616), (104, 1553499), (108, 1495962), (117, 1380888), (156, 1035666), (162, 997308), (216, 747981), (234, 690444), (243, 664872), (312, 517833), (324, 498654), (351, 460296), (468, 345222), (486, 332436), (648, 249327), (702, 230148), (729, 221624), (936, 172611), (972, 166218), (1053, 153432), (1404, 115074), (1458, 110812), (1944, 83109), (2106, 76716), (2131, 75816), (2808, 57537), (2916, 55406), (3159, 51144), (4212, 38358), (4262, 37908), (5832, 27703), (6318, 25572), (6393, 25272), (8424, 19179), (8524, 18954), (9477, 17048), (12636, 12786)]