28894554

素因数分解:

$2^1\times 3^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{67}}^1\times {\mathrm{97}}^1$

素因数の和:204

約数の個数: 96

約数和(自身を含む): 72770880

約数和(自身を除く): 43876326

約数列:

[1, 2, 3, 6, 9, 13, 18, 19, 26, 38, 39, 57, 67, 78, 97, 114, 117, 134, 171, 194, 201, 234, 247, 291, 342, 402, 494, 582, 603, 741, 871, 873, 1206, 1261, 1273, 1482, 1742, 1746, 1843, 2223, 2522, 2546, 2613, 3686, 3783, 3819, 4446, 5226, 5529, 6499, 7566, 7638, 7839, 11058, 11349, 11457, 12998, 15678, 16549, 16587, 19497, 22698, 22914, 23959, 33098, 33174, 38994, 47918, 49647, 58491, 71877, 84487, 99294, 116982, 123481, 143754, 148941, 168974, 215631, 246962, 253461, 297882, 370443, 431262, 506922, 740886, 760383, 1111329, 1520766, 1605253, 2222658, 3210506, 4815759, 9631518, 14447277, 28894554]

約数ペア:

[(1, 28894554), (2, 14447277), (3, 9631518), (6, 4815759), (9, 3210506), (13, 2222658), (18, 1605253), (19, 1520766), (26, 1111329), (38, 760383), (39, 740886), (57, 506922), (67, 431262), (78, 370443), (97, 297882), (114, 253461), (117, 246962), (134, 215631), (171, 168974), (194, 148941), (201, 143754), (234, 123481), (247, 116982), (291, 99294), (342, 84487), (402, 71877), (494, 58491), (582, 49647), (603, 47918), (741, 38994), (871, 33174), (873, 33098), (1206, 23959), (1261, 22914), (1273, 22698), (1482, 19497), (1742, 16587), (1746, 16549), (1843, 15678), (2223, 12998), (2522, 11457), (2546, 11349), (2613, 11058), (3686, 7839), (3783, 7638), (3819, 7566), (4446, 6499), (5226, 5529)]