87731748

素因数分解:

$2^2\times 3^5\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{131}}^1$

素因数の和:216

約数の個数: 144

約数和(自身を含む): 254270016

約数和(自身を除く): 166538268

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 27, 36, 39, 52, 53, 54, 78, 81, 106, 108, 117, 131, 156, 159, 162, 212, 234, 243, 262, 318, 324, 351, 393, 468, 477, 486, 524, 636, 689, 702, 786, 954, 972, 1053, 1179, 1378, 1404, 1431, 1572, 1703, 1908, 2067, 2106, 2358, 2756, 2862, 3159, 3406, 3537, 4134, 4212, 4293, 4716, 5109, 5724, 6201, 6318, 6812, 6943, 7074, 8268, 8586, 10218, 10611, 12402, 12636, 12879, 13886, 14148, 15327, 17172, 18603, 20436, 20829, 21222, 24804, 25758, 27772, 30654, 31833, 37206, 41658, 42444, 45981, 51516, 55809, 61308, 62487, 63666, 74412, 83316, 90259, 91962, 111618, 124974, 127332, 137943, 167427, 180518, 183924, 187461, 223236, 249948, 270777, 275886, 334854, 361036, 374922, 413829, 541554, 551772, 562383, 669708, 749844, 812331, 827658, 1083108, 1124766, 1624662, 1655316, 1687149, 2249532, 2436993, 3249324, 3374298, 4873986, 6748596, 7310979, 9747972, 14621958, 21932937, 29243916, 43865874, 87731748]

約数ペア:

[(1, 87731748), (2, 43865874), (3, 29243916), (4, 21932937), (6, 14621958), (9, 9747972), (12, 7310979), (13, 6748596), (18, 4873986), (26, 3374298), (27, 3249324), (36, 2436993), (39, 2249532), (52, 1687149), (53, 1655316), (54, 1624662), (78, 1124766), (81, 1083108), (106, 827658), (108, 812331), (117, 749844), (131, 669708), (156, 562383), (159, 551772), (162, 541554), (212, 413829), (234, 374922), (243, 361036), (262, 334854), (318, 275886), (324, 270777), (351, 249948), (393, 223236), (468, 187461), (477, 183924), (486, 180518), (524, 167427), (636, 137943), (689, 127332), (702, 124974), (786, 111618), (954, 91962), (972, 90259), (1053, 83316), (1179, 74412), (1378, 63666), (1404, 62487), (1431, 61308), (1572, 55809), (1703, 51516), (1908, 45981), (2067, 42444), (2106, 41658), (2358, 37206), (2756, 31833), (2862, 30654), (3159, 27772), (3406, 25758), (3537, 24804), (4134, 21222), (4212, 20829), (4293, 20436), (4716, 18603), (5109, 17172), (5724, 15327), (6201, 14148), (6318, 13886), (6812, 12879), (6943, 12636), (7074, 12402), (8268, 10611), (8586, 10218)]