28807164

素因数分解:

$2^2\times 3^7\times {\mathrm{37}}^1\times {\mathrm{89}}^1$

素因数の和:151

約数の個数: 96

約数和(自身を含む): 78523200

約数和(自身を除く): 49716036

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 37, 54, 74, 81, 89, 108, 111, 148, 162, 178, 222, 243, 267, 324, 333, 356, 444, 486, 534, 666, 729, 801, 972, 999, 1068, 1332, 1458, 1602, 1998, 2187, 2403, 2916, 2997, 3204, 3293, 3996, 4374, 4806, 5994, 6586, 7209, 8748, 8991, 9612, 9879, 11988, 13172, 14418, 17982, 19758, 21627, 26973, 28836, 29637, 35964, 39516, 43254, 53946, 59274, 64881, 80919, 86508, 88911, 107892, 118548, 129762, 161838, 177822, 194643, 259524, 266733, 323676, 355644, 389286, 533466, 778572, 800199, 1066932, 1600398, 2400597, 3200796, 4801194, 7201791, 9602388, 14403582, 28807164]

約数ペア:

[(1, 28807164), (2, 14403582), (3, 9602388), (4, 7201791), (6, 4801194), (9, 3200796), (12, 2400597), (18, 1600398), (27, 1066932), (36, 800199), (37, 778572), (54, 533466), (74, 389286), (81, 355644), (89, 323676), (108, 266733), (111, 259524), (148, 194643), (162, 177822), (178, 161838), (222, 129762), (243, 118548), (267, 107892), (324, 88911), (333, 86508), (356, 80919), (444, 64881), (486, 59274), (534, 53946), (666, 43254), (729, 39516), (801, 35964), (972, 29637), (999, 28836), (1068, 26973), (1332, 21627), (1458, 19758), (1602, 17982), (1998, 14418), (2187, 13172), (2403, 11988), (2916, 9879), (2997, 9612), (3204, 8991), (3293, 8748), (3996, 7209), (4374, 6586), (4806, 5994)]